(function () {

	var views_manifest = {};

	var region;
	var hasRequiredRegion;

	function requireRegion () {
		if (hasRequiredRegion) return region;
		hasRequiredRegion = 1;
		region = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.controller.Region
		 *
		 * A region is a persistent application layout area.
		 *
		 * A region assumes one mode at any time, and can be switched to another.
		 *
		 * When mode changes, events are triggered on the region's parent view.
		 * The parent view will listen to specific events and fill the region with an
		 * appropriate view depending on mode. For example, a frame listens for the
		 * 'browse' mode t be activated on the 'content' view and then fills the region
		 * with an AttachmentsBrowser view.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 *
		 * @param {Object}        options          Options hash for the region.
		 * @param {string}        options.id       Unique identifier for the region.
		 * @param {Backbone.View} options.view     A parent view the region exists within.
		 * @param {string}        options.selector jQuery selector for the region within the parent view.
		 */
		var Region = function( options ) {
			_.extend( this, _.pick( options || {}, 'id', 'view', 'selector' ) );
		};

		// Use Backbone's self-propagating `extend` inheritance method.
		Region.extend = Backbone.Model.extend;

		_.extend( Region.prototype,/** @lends wp.media.controller.Region.prototype */{
			/**
			 * Activate a mode.
			 *
			 * @since 3.5.0
			 *
			 * @param {string} mode
			 *
			 * @fires Region#activate
			 * @fires Region#deactivate
			 *
			 * @return {wp.media.controller.Region} Returns itself to allow chaining.
			 */
			mode: function( mode ) {
				if ( ! mode ) {
					return this._mode;
				}
				// Bail if we're trying to change to the current mode.
				if ( mode === this._mode ) {
					return this;
				}

				/**
				 * Region mode deactivation event.
				 *
				 * @event wp.media.controller.Region#deactivate
				 */
				this.trigger('deactivate');

				this._mode = mode;
				this.render( mode );

				/**
				 * Region mode activation event.
				 *
				 * @event wp.media.controller.Region#activate
				 */
				this.trigger('activate');
				return this;
			},
			/**
			 * Render a mode.
			 *
			 * @since 3.5.0
			 *
			 * @param {string} mode
			 *
			 * @fires Region#create
			 * @fires Region#render
			 *
			 * @return {wp.media.controller.Region} Returns itself to allow chaining.
			 */
			render: function( mode ) {
				// If the mode isn't active, activate it.
				if ( mode && mode !== this._mode ) {
					return this.mode( mode );
				}

				var set = { view: null },
					view;

				/**
				 * Create region view event.
				 *
				 * Region view creation takes place in an event callback on the frame.
				 *
				 * @event wp.media.controller.Region#create
				 * @type {object}
				 * @property {object} view
				 */
				this.trigger( 'create', set );
				view = set.view;

				/**
				 * Render region view event.
				 *
				 * Region view creation takes place in an event callback on the frame.
				 *
				 * @event wp.media.controller.Region#render
				 * @type {object}
				 */
				this.trigger( 'render', view );
				if ( view ) {
					this.set( view );
				}
				return this;
			},

			/**
			 * Get the region's view.
			 *
			 * @since 3.5.0
			 *
			 * @return {wp.media.View}
			 */
			get: function() {
				return this.view.views.first( this.selector );
			},

			/**
			 * Set the region's view as a subview of the frame.
			 *
			 * @since 3.5.0
			 *
			 * @param {Array|Object} views
			 * @param {Object} [options={}]
			 * @return {wp.Backbone.Subviews} Subviews is returned to allow chaining.
			 */
			set: function( views, options ) {
				if ( options ) {
					options.add = false;
				}
				return this.view.views.set( this.selector, views, options );
			},

			/**
			 * Trigger regional view events on the frame.
			 *
			 * @since 3.5.0
			 *
			 * @param {string} event
			 * @return {undefined|wp.media.controller.Region} Returns itself to allow chaining.
			 */
			trigger: function( event ) {
				var base, args;

				if ( ! this._mode ) {
					return;
				}

				args = _.toArray( arguments );
				base = this.id + ':' + event;

				// Trigger `{this.id}:{event}:{this._mode}` event on the frame.
				args[0] = base + ':' + this._mode;
				this.view.trigger.apply( this.view, args );

				// Trigger `{this.id}:{event}` event on the frame.
				args[0] = base;
				this.view.trigger.apply( this.view, args );
				return this;
			}
		});

		return Region;

		};
		return region;
	}

	var stateMachine;
	var hasRequiredStateMachine;

	function requireStateMachine () {
		if (hasRequiredStateMachine) return stateMachine;
		hasRequiredStateMachine = 1;
		stateMachine = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.controller.StateMachine
		 *
		 * A state machine keeps track of state. It is in one state at a time,
		 * and can change from one state to another.
		 *
		 * States are stored as models in a Backbone collection.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @since 3.5.0
		 *
		 * @class
		 * @augments Backbone.Model
		 * @mixin
		 * @mixes Backbone.Events
		 */
		var StateMachine = function() {
			return {
				// Use Backbone's self-propagating `extend` inheritance method.
				extend: Backbone.Model.extend
			};
		};

		_.extend( StateMachine.prototype, Backbone.Events,/** @lends wp.media.controller.StateMachine.prototype */{
			/**
			 * Fetch a state.
			 *
			 * If no `id` is provided, returns the active state.
			 *
			 * Implicitly creates states.
			 *
			 * Ensure that the `states` collection exists so the `StateMachine`
			 * can be used as a mixin.
			 *
			 * @since 3.5.0
			 *
			 * @param {string} id
			 * @return {wp.media.controller.State} Returns a State model from
			 *                                     the StateMachine collection.
			 */
			state: function( id ) {
				this.states = this.states || new Backbone.Collection();

				// Default to the active state.
				id = id || this._state;

				if ( id && ! this.states.get( id ) ) {
					this.states.add({ id: id });
				}
				return this.states.get( id );
			},

			/**
			 * Sets the active state.
			 *
			 * Bail if we're trying to select the current state, if we haven't
			 * created the `states` collection, or are trying to select a state
			 * that does not exist.
			 *
			 * @since 3.5.0
			 *
			 * @param {string} id
			 *
			 * @fires wp.media.controller.State#deactivate
			 * @fires wp.media.controller.State#activate
			 *
			 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
			 */
			setState: function( id ) {
				var previous = this.state();

				if ( ( previous && id === previous.id ) || ! this.states || ! this.states.get( id ) ) {
					return this;
				}

				if ( previous ) {
					previous.trigger('deactivate');
					this._lastState = previous.id;
				}

				this._state = id;
				this.state().trigger('activate');

				return this;
			},

			/**
			 * Returns the previous active state.
			 *
			 * Call the `state()` method with no parameters to retrieve the current
			 * active state.
			 *
			 * @since 3.5.0
			 *
			 * @return {wp.media.controller.State} Returns a State model from
			 *                                     the StateMachine collection.
			 */
			lastState: function() {
				if ( this._lastState ) {
					return this.state( this._lastState );
				}
			}
		});

		// Map all event binding and triggering on a StateMachine to its `states` collection.
		_.each([ 'on', 'off', 'trigger' ], function( method ) {
			/**
			 * @function on
			 * @memberOf wp.media.controller.StateMachine
			 * @instance
			 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
			 */
			/**
			 * @function off
			 * @memberOf wp.media.controller.StateMachine
			 * @instance
			 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
			 */
			/**
			 * @function trigger
			 * @memberOf wp.media.controller.StateMachine
			 * @instance
			 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
			 */
			StateMachine.prototype[ method ] = function() {
				// Ensure that the `states` collection exists so the `StateMachine`
				// can be used as a mixin.
				this.states = this.states || new Backbone.Collection();
				// Forward the method to the `states` collection.
				this.states[ method ].apply( this.states, arguments );
				return this;
			};
		});

		return StateMachine;

		};
		return stateMachine;
	}

	var state;
	var hasRequiredState;

	function requireState () {
		if (hasRequiredState) return state;
		hasRequiredState = 1;
		state = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.controller.State
		 *
		 * A state is a step in a workflow that when set will trigger the controllers
		 * for the regions to be updated as specified in the frame.
		 *
		 * A state has an event-driven lifecycle:
		 *
		 *     'ready'      triggers when a state is added to a state machine's collection.
		 *     'activate'   triggers when a state is activated by a state machine.
		 *     'deactivate' triggers when a state is deactivated by a state machine.
		 *     'reset'      is not triggered automatically. It should be invoked by the
		 *                  proper controller to reset the state to its default.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments Backbone.Model
		 */
		var State = Backbone.Model.extend(/** @lends wp.media.controller.State.prototype */{
			/**
			 * Constructor.
			 *
			 * @since 3.5.0
			 */
			constructor: function() {
				this.on( 'activate', this._preActivate, this );
				this.on( 'activate', this.activate, this );
				this.on( 'activate', this._postActivate, this );
				this.on( 'deactivate', this._deactivate, this );
				this.on( 'deactivate', this.deactivate, this );
				this.on( 'reset', this.reset, this );
				this.on( 'ready', this._ready, this );
				this.on( 'ready', this.ready, this );
				/**
				 * Call parent constructor with passed arguments
				 */
				Backbone.Model.apply( this, arguments );
				this.on( 'change:menu', this._updateMenu, this );
			},
			/**
			 * Ready event callback.
			 *
			 * @abstract
			 * @since 3.5.0
			 */
			ready: function() {},

			/**
			 * Activate event callback.
			 *
			 * @abstract
			 * @since 3.5.0
			 */
			activate: function() {},

			/**
			 * Deactivate event callback.
			 *
			 * @abstract
			 * @since 3.5.0
			 */
			deactivate: function() {},

			/**
			 * Reset event callback.
			 *
			 * @abstract
			 * @since 3.5.0
			 */
			reset: function() {},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_ready: function() {
				this._updateMenu();
			},

			/**
			 * @since 3.5.0
			 * @access private
			*/
			_preActivate: function() {
				this.active = true;
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_postActivate: function() {
				this.on( 'change:menu', this._menu, this );
				this.on( 'change:titleMode', this._title, this );
				this.on( 'change:content', this._content, this );
				this.on( 'change:toolbar', this._toolbar, this );

				this.frame.on( 'title:render:default', this._renderTitle, this );

				this._title();
				this._menu();
				this._toolbar();
				this._content();
				this._router();
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_deactivate: function() {
				this.active = false;

				this.frame.off( 'title:render:default', this._renderTitle, this );

				this.off( 'change:menu', this._menu, this );
				this.off( 'change:titleMode', this._title, this );
				this.off( 'change:content', this._content, this );
				this.off( 'change:toolbar', this._toolbar, this );
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_title: function() {
				this.frame.title.render( this.get('titleMode') || 'default' );
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_renderTitle: function( view ) {
				view.$el.text( this.get('title') || '' );
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_router: function() {
				var router = this.frame.router,
					mode = this.get('router'),
					view;

				this.frame.$el.toggleClass( 'hide-router', ! mode );
				if ( ! mode ) {
					return;
				}

				this.frame.router.render( mode );

				view = router.get();
				if ( view && view.select ) {
					view.select( this.frame.content.mode() );
				}
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_menu: function() {
				var menu = this.frame.menu,
					mode = this.get('menu'),
					view;

				this.frame.$el.toggleClass( 'hide-menu', ! mode );
				if ( ! mode ) {
					return;
				}

				menu.mode( mode );

				view = menu.get();
				if ( view && view.select ) {
					view.select( this.id );
				}
			},

			/**
			 * @since 3.5.0
			 * @access private
			 */
			_updateMenu: function() {
				var previous = this.previous('menu'),
					menu = this.get('menu');

				if ( previous ) {
					this.frame.off( 'menu:render:' + previous, this._renderMenu, this );
				}

				if ( menu ) {
					this.frame.on( 'menu:render:' + menu, this._renderMenu, this );
				}
			},

			/**
			 * Create a view in the media menu for the state.
			 *
			 * @since 3.5.0
			 * @access private
			 *
			 * @param {media.view.Menu} view The menu view.
			 */
			_renderMenu: function( view ) {
				var menuItem = this.get('menuItem'),
					title = this.get('title'),
					priority = this.get('priority');

				if ( ! menuItem && title ) {
					menuItem = { text: title };

					if ( priority ) {
						menuItem.priority = priority;
					}
				}

				if ( ! menuItem ) {
					return;
				}

				view.set( this.id, menuItem );
			}
		});

		_.each(['toolbar','content'], function( region ) {
			/**
			 * @access private
			 */
			State.prototype[ '_' + region ] = function() {
				var mode = this.get( region );
				if ( mode ) {
					this.frame[ region ].render( mode );
				}
			};
		});

		return State;

		};
		return state;
	}

	var selectionSync;
	var hasRequiredSelectionSync;

	function requireSelectionSync () {
		if (hasRequiredSelectionSync) return selectionSync;
		hasRequiredSelectionSync = 1;
		selectionSync = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.selectionSync
		 *
		 * Sync an attachments selection in a state with another state.
		 *
		 * Allows for selecting multiple images in the Add Media workflow, and then
		 * switching to the Insert Gallery workflow while preserving the attachments selection.
		 *
		 * @memberOf wp.media
		 *
		 * @mixin
		 */
		var selectionSync = {
			/**
			 * @since 3.5.0
			 */
			syncSelection: function() {
				var selection = this.get('selection'),
					manager = this.frame._selection;

				if ( ! this.get('syncSelection') || ! manager || ! selection ) {
					return;
				}

				/*
				 * If the selection supports multiple items, validate the stored
				 * attachments based on the new selection's conditions. Record
				 * the attachments that are not included; we'll maintain a
				 * reference to those. Other attachments are considered in flux.
				 */
				if ( selection.multiple ) {
					selection.reset( [], { silent: true });
					selection.validateAll( manager.attachments );
					manager.difference = _.difference( manager.attachments.models, selection.models );
				}

				// Sync the selection's single item with the master.
				selection.single( manager.single );
			},

			/**
			 * Record the currently active attachments, which is a combination
			 * of the selection's attachments and the set of selected
			 * attachments that this specific selection considered invalid.
			 * Reset the difference and record the single attachment.
			 *
			 * @since 3.5.0
			 */
			recordSelection: function() {
				var selection = this.get('selection'),
					manager = this.frame._selection;

				if ( ! this.get('syncSelection') || ! manager || ! selection ) {
					return;
				}

				if ( selection.multiple ) {
					manager.attachments.reset( selection.toArray().concat( manager.difference ) );
					manager.difference = [];
				} else {
					manager.attachments.add( selection.toArray() );
				}

				manager.single = selection._single;
			}
		};

		return selectionSync;

		};
		return selectionSync;
	}

	var library$1;
	var hasRequiredLibrary$1;

	function requireLibrary$1 () {
		if (hasRequiredLibrary$1) return library$1;
		hasRequiredLibrary$1 = 1;
		library$1 = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			getUserSetting = window.getUserSetting,
			setUserSetting = window.setUserSetting,
			Library;

		/**
		 * wp.media.controller.Library
		 *
		 * A state for choosing an attachment or group of attachments from the media library.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 * @mixes media.selectionSync
		 *
		 * @param {object}                          [attributes]                         The attributes hash passed to the state.
		 * @param {string}                          [attributes.id=library]              Unique identifier.
		 * @param {string}                          [attributes.title=Media library]     Title for the state. Displays in the media menu and the frame's title region.
		 * @param {wp.media.model.Attachments}      [attributes.library]                 The attachments collection to browse.
		 *                                                                               If one is not supplied, a collection of all attachments will be created.
		 * @param {wp.media.model.Selection|object} [attributes.selection]               A collection to contain attachment selections within the state.
		 *                                                                               If the 'selection' attribute is a plain JS object,
		 *                                                                               a Selection will be created using its values as the selection instance's `props` model.
		 *                                                                               Otherwise, it will copy the library's `props` model.
		 * @param {boolean}                         [attributes.multiple=false]          Whether multi-select is enabled.
		 * @param {string}                          [attributes.content=upload]          Initial mode for the content region.
		 *                                                                               Overridden by persistent user setting if 'contentUserSetting' is true.
		 * @param {string}                          [attributes.menu=default]            Initial mode for the menu region.
		 * @param {string}                          [attributes.router=browse]           Initial mode for the router region.
		 * @param {string}                          [attributes.toolbar=select]          Initial mode for the toolbar region.
		 * @param {boolean}                         [attributes.searchable=true]         Whether the library is searchable.
		 * @param {boolean|string}                  [attributes.filterable=false]        Whether the library is filterable, and if so what filters should be shown.
		 *                                                                               Accepts 'all', 'uploaded', or 'unattached'.
		 * @param {boolean}                         [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                         [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
		 * @param {boolean}                         [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
		 * @param {boolean}                         [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
		 * @param {boolean}                         [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
		 */
		Library = wp.media.controller.State.extend(/** @lends wp.media.controller.Library.prototype */{
			defaults: {
				id:                 'library',
				title:              l10n.mediaLibraryTitle,
				multiple:           false,
				content:            'upload',
				menu:               'default',
				router:             'browse',
				toolbar:            'select',
				searchable:         true,
				filterable:         false,
				sortable:           true,
				autoSelect:         true,
				describe:           false,
				contentUserSetting: true,
				syncSelection:      true
			},

			/**
			 * If a library isn't provided, query all media items.
			 * If a selection instance isn't provided, create one.
			 *
			 * @since 3.5.0
			 */
			initialize: function() {
				var selection = this.get('selection'),
					props;

				if ( ! this.get('library') ) {
					this.set( 'library', wp.media.query() );
				}

				if ( ! ( selection instanceof wp.media.model.Selection ) ) {
					props = selection;

					if ( ! props ) {
						props = this.get('library').props.toJSON();
						props = _.omit( props, 'orderby', 'query' );
					}

					this.set( 'selection', new wp.media.model.Selection( null, {
						multiple: this.get('multiple'),
						props: props
					}) );
				}

				this.resetDisplays();
			},

			/**
			 * @since 3.5.0
			 */
			activate: function() {
				this.syncSelection();

				wp.Uploader.queue.on( 'add', this.uploading, this );

				this.get('selection').on( 'add remove reset', this.refreshContent, this );

				if ( this.get( 'router' ) && this.get('contentUserSetting') ) {
					this.frame.on( 'content:activate', this.saveContentMode, this );
					this.set( 'content', getUserSetting( 'libraryContent', this.get('content') ) );
				}
			},

			/**
			 * @since 3.5.0
			 */
			deactivate: function() {
				this.recordSelection();

				this.frame.off( 'content:activate', this.saveContentMode, this );

				// Unbind all event handlers that use this state as the context
				// from the selection.
				this.get('selection').off( null, null, this );

				wp.Uploader.queue.off( null, null, this );
			},

			/**
			 * Reset the library to its initial state.
			 *
			 * @since 3.5.0
			 */
			reset: function() {
				this.get('selection').reset();
				this.resetDisplays();
				this.refreshContent();
			},

			/**
			 * Reset the attachment display settings defaults to the site options.
			 *
			 * If site options don't define them, fall back to a persistent user setting.
			 *
			 * @since 3.5.0
			 */
			resetDisplays: function() {
				var defaultProps = wp.media.view.settings.defaultProps;
				this._displays = [];
				this._defaultDisplaySettings = {
					align: getUserSetting( 'align', defaultProps.align ) || 'none',
					size:  getUserSetting( 'imgsize', defaultProps.size ) || 'medium',
					link:  getUserSetting( 'urlbutton', defaultProps.link ) || 'none'
				};
			},

			/**
			 * Create a model to represent display settings (alignment, etc.) for an attachment.
			 *
			 * @since 3.5.0
			 *
			 * @param {wp.media.model.Attachment} attachment
			 * @return {Backbone.Model}
			 */
			display: function( attachment ) {
				var displays = this._displays;

				if ( ! displays[ attachment.cid ] ) {
					displays[ attachment.cid ] = new Backbone.Model( this.defaultDisplaySettings( attachment ) );
				}
				return displays[ attachment.cid ];
			},

			/**
			 * Given an attachment, create attachment display settings properties.
			 *
			 * @since 3.6.0
			 *
			 * @param {wp.media.model.Attachment} attachment
			 * @return {Object}
			 */
			defaultDisplaySettings: function( attachment ) {
				var settings = _.clone( this._defaultDisplaySettings );

				settings.canEmbed = this.canEmbed( attachment );
				if ( settings.canEmbed ) {
					settings.link = 'embed';
				} else if ( ! this.isImageAttachment( attachment ) && settings.link === 'none' ) {
					settings.link = 'file';
				}

				return settings;
			},

			/**
			 * Whether an attachment is image.
			 *
			 * @since 4.4.1
			 *
			 * @param {wp.media.model.Attachment} attachment
			 * @return {boolean}
			 */
			isImageAttachment: function( attachment ) {
				// If uploading, we know the filename but not the mime type.
				if ( attachment.get('uploading') ) {
					return /\.(jpe?g|png|gif|webp)$/i.test( attachment.get('filename') );
				}

				return attachment.get('type') === 'image';
			},

			/**
			 * Whether an attachment can be embedded (audio or video).
			 *
			 * @since 3.6.0
			 *
			 * @param {wp.media.model.Attachment} attachment
			 * @return {boolean}
			 */
			canEmbed: function( attachment ) {
				// If uploading, we know the filename but not the mime type.
				if ( ! attachment.get('uploading') ) {
					var type = attachment.get('type');
					if ( type !== 'audio' && type !== 'video' ) {
						return false;
					}
				}

				return _.contains( wp.media.view.settings.embedExts, attachment.get('filename').split('.').pop() );
			},


			/**
			 * If the state is active, no items are selected, and the current
			 * content mode is not an option in the state's router (provided
			 * the state has a router), reset the content mode to the default.
			 *
			 * @since 3.5.0
			 */
			refreshContent: function() {
				var selection = this.get('selection'),
					frame = this.frame,
					router = frame.router.get(),
					mode = frame.content.mode();

				if ( this.active && ! selection.length && router && ! router.get( mode ) ) {
					this.frame.content.render( this.get('content') );
				}
			},

			/**
			 * Callback handler when an attachment is uploaded.
			 *
			 * Switch to the Media Library if uploaded from the 'Upload Files' tab.
			 *
			 * Adds any uploading attachments to the selection.
			 *
			 * If the state only supports one attachment to be selected and multiple
			 * attachments are uploaded, the last attachment in the upload queue will
			 * be selected.
			 *
			 * @since 3.5.0
			 *
			 * @param {wp.media.model.Attachment} attachment
			 */
			uploading: function( attachment ) {
				var content = this.frame.content;

				if ( 'upload' === content.mode() ) {
					this.frame.content.mode('browse');
				}

				if ( this.get( 'autoSelect' ) ) {
					this.get('selection').add( attachment );
					this.frame.trigger( 'library:selection:add' );
				}
			},

			/**
			 * Persist the mode of the content region as a user setting.
			 *
			 * @since 3.5.0
			 */
			saveContentMode: function() {
				if ( 'browse' !== this.get('router') ) {
					return;
				}

				var mode = this.frame.content.mode(),
					view = this.frame.router.get();

				if ( view && view.get( mode ) ) {
					setUserSetting( 'libraryContent', mode );
				}
			}

		});

		// Make selectionSync available on any Media Library state.
		_.extend( Library.prototype, wp.media.selectionSync );

		return Library;

		};
		return library$1;
	}

	var imageDetails$2;
	var hasRequiredImageDetails$2;

	function requireImageDetails$2 () {
		if (hasRequiredImageDetails$2) return imageDetails$2;
		hasRequiredImageDetails$2 = 1;
		imageDetails$2 = function() { // ClassicPress: defer loading via require()

		var State = wp.media.controller.State,
			Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			ImageDetails;

		/**
		 * wp.media.controller.ImageDetails
		 *
		 * A state for editing the attachment display settings of an image that's been
		 * inserted into the editor.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                    [attributes]                       The attributes hash passed to the state.
		 * @param {string}                    [attributes.id=image-details]      Unique identifier.
		 * @param {string}                    [attributes.title=Image Details]   Title for the state. Displays in the frame's title region.
		 * @param {wp.media.model.Attachment} attributes.image                   The image's model.
		 * @param {string|false}              [attributes.content=image-details] Initial mode for the content region.
		 * @param {string|false}              [attributes.menu=false]            Initial mode for the menu region.
		 * @param {string|false}              [attributes.router=false]          Initial mode for the router region.
		 * @param {string|false}              [attributes.toolbar=image-details] Initial mode for the toolbar region.
		 * @param {boolean}                   [attributes.editing=false]         Unused.
		 * @param {int}                       [attributes.priority=60]           Unused.
		 *
		 * @todo This state inherits some defaults from media.controller.Library.prototype.defaults,
		 *       however this may not do anything.
		 */
		ImageDetails = State.extend(/** @lends wp.media.controller.ImageDetails.prototype */{
			defaults: _.defaults({
				id:       'image-details',
				title:    l10n.imageDetailsTitle,
				content:  'image-details',
				menu:     false,
				router:   false,
				toolbar:  'image-details',
				editing:  false,
				priority: 60
			}, Library.prototype.defaults ),

			/**
			 * @since 3.9.0
			 *
			 * @param options Attributes
			 */
			initialize: function( options ) {
				this.image = options.image;
				State.prototype.initialize.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			activate: function() {
				this.frame.modal.$el.addClass('image-details');
			}
		});

		return ImageDetails;

		};
		return imageDetails$2;
	}

	var galleryEdit;
	var hasRequiredGalleryEdit;

	function requireGalleryEdit () {
		if (hasRequiredGalleryEdit) return galleryEdit;
		hasRequiredGalleryEdit = 1;
		galleryEdit = function() { // ClassicPress: defer loading via require()

		var Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			GalleryEdit;

		/**
		 * wp.media.controller.GalleryEdit
		 *
		 * A state for editing a gallery's images and settings.
		 *
		 * @since 3.5.0
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @memberOf wp.media.controller
		 *
		 * @param {Object}                     [attributes]                       The attributes hash passed to the state.
		 * @param {string}                     [attributes.id=gallery-edit]       Unique identifier.
		 * @param {string}                     [attributes.title=Edit Gallery]    Title for the state. Displays in the frame's title region.
		 * @param {wp.media.model.Attachments} [attributes.library]               The collection of attachments in the gallery.
		 *                                                                        If one is not supplied, an empty media.model.Selection collection is created.
		 * @param {boolean}                    [attributes.multiple=false]        Whether multi-select is enabled.
		 * @param {boolean}                    [attributes.searchable=false]      Whether the library is searchable.
		 * @param {boolean}                    [attributes.sortable=true]         Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.date=true]             Whether to show the date filter in the browser's toolbar.
		 * @param {string|false}               [attributes.content=browse]        Initial mode for the content region.
		 * @param {string|false}               [attributes.toolbar=image-details] Initial mode for the toolbar region.
		 * @param {boolean}                    [attributes.describe=true]         Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
		 * @param {boolean}                    [attributes.displaySettings=true]  Whether to show the attachment display settings interface.
		 * @param {boolean}                    [attributes.dragInfo=true]         Whether to show instructional text about the attachments being sortable.
		 * @param {number}                     [attributes.idealColumnWidth=170]  The ideal column width in pixels for attachments.
		 * @param {boolean}                    [attributes.editing=false]         Whether the gallery is being created, or editing an existing instance.
		 * @param {number}                     [attributes.priority=60]           The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.syncSelection=false]   Whether the Attachments selection should be persisted from the last state.
		 *                                                                        Defaults to false for this state, because the library passed in  *is* the selection.
		 * @param {view}                       [attributes.AttachmentView]        The single `Attachment` view to be used in the `Attachments`.
		 *                                                                        If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
		 */
		GalleryEdit = Library.extend(/** @lends wp.media.controller.GalleryEdit.prototype */{
			defaults: {
				id:               'gallery-edit',
				title:            l10n.editGalleryTitle,
				multiple:         false,
				searchable:       false,
				sortable:         true,
				date:             false,
				display:          false,
				content:          'browse',
				toolbar:          'gallery-edit',
				describe:         true,
				displaySettings:  true,
				dragInfo:         true,
				idealColumnWidth: 170,
				editing:          false,
				priority:         60,
				syncSelection:    false
			},

			/**
			 * Initializes the library.
			 *
			 * Creates a selection if a library isn't supplied and creates an attachment
			 * view if no attachment view is supplied.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			initialize: function() {
				// If we haven't been provided a `library`, create a `Selection`.
				if ( ! this.get('library') ) {
					this.set( 'library', new wp.media.model.Selection() );
				}

				// The single `Attachment` view to be used in the `Attachments` view.
				if ( ! this.get('AttachmentView') ) {
					this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
				}

				Library.prototype.initialize.apply( this, arguments );
			},

			/**
			 * Activates the library.
			 *
			 * Limits the library to images, watches for uploaded attachments. Watches for
			 * the browse event on the frame and binds it to gallerySettings.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			activate: function() {
				var library = this.get('library');

				// Limit the library to images only.
				library.props.set( 'type', 'image' );

				// Watch for uploaded attachments.
				this.get('library').observe( wp.Uploader.queue );

				this.frame.on( 'content:render:browse', this.gallerySettings, this );

				Library.prototype.activate.apply( this, arguments );
			},

			/**
			 * Deactivates the library.
			 *
			 * Stops watching for uploaded attachments and browse events.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			deactivate: function() {
				// Stop watching for uploaded attachments.
				this.get('library').unobserve( wp.Uploader.queue );

				this.frame.off( 'content:render:browse', this.gallerySettings, this );

				Library.prototype.deactivate.apply( this, arguments );
			},

			/**
			 * Adds the gallery settings to the sidebar and adds a reverse button to the
			 * toolbar.
			 *
			 * @since 3.5.0
			 *
			 * @param {wp.media.view.Frame} browser The file browser.
			 *
			 * @return {void}
			 */
			gallerySettings: function( browser ) {
				if ( ! this.get('displaySettings') ) {
					return;
				}

				var library = this.get('library');

				if ( ! library || ! browser ) {
					return;
				}

				library.gallery = library.gallery || new Backbone.Model();

				browser.sidebar.set({
					gallery: new wp.media.view.Settings.Gallery({
						controller: this,
						model:      library.gallery,
						priority:   40
					})
				});

				browser.toolbar.set( 'reverse', {
					text:     l10n.reverseOrder,
					priority: 80,

					click: function() {
						library.reset( library.toArray().reverse() );
					}
				});
			}
		});

		return GalleryEdit;

		};
		return galleryEdit;
	}

	var galleryAdd;
	var hasRequiredGalleryAdd;

	function requireGalleryAdd () {
		if (hasRequiredGalleryAdd) return galleryAdd;
		hasRequiredGalleryAdd = 1;
		galleryAdd = function() { // ClassicPress: defer loading via require()

		var Selection = wp.media.model.Selection,
			Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			GalleryAdd;

		/**
		 * wp.media.controller.GalleryAdd
		 *
		 * A state for selecting more images to add to a gallery.
		 *
		 * @since 3.5.0
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @memberof wp.media.controller
		 *
		 * @param {Object}                     [attributes]                         The attributes hash passed to the state.
		 * @param {string}                     [attributes.id=gallery-library]      Unique identifier.
		 * @param {string}                     [attributes.title=Add to Gallery]    Title for the state. Displays in the frame's title region.
		 * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
		 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
		 *                                                                          If one is not supplied, a collection of all images will be created.
		 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
		 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
		 * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
		 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
		 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
		 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
		 * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
		 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
		 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
		 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
		 * @param {number}                     [attributes.priority=100]            The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
		 *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
		 */
		GalleryAdd = Library.extend(/** @lends wp.media.controller.GalleryAdd.prototype */{
			defaults: _.defaults({
				id:            'gallery-library',
				title:         l10n.addToGalleryTitle,
				multiple:      'add',
				filterable:    'uploaded',
				menu:          'gallery',
				toolbar:       'gallery-add',
				priority:      100,
				syncSelection: false
			}, Library.prototype.defaults ),

			/**
			 * Initializes the library. Creates a library of images if a library isn't supplied.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			initialize: function() {
				if ( ! this.get('library') ) {
					this.set( 'library', wp.media.query({ type: 'image' }) );
				}

				Library.prototype.initialize.apply( this, arguments );
			},

			/**
			 * Activates the library.
			 *
			 * Removes all event listeners if in edit mode. Creates a validator to check an attachment.
			 * Resets library and re-enables event listeners. Activates edit mode. Calls the parent's activate method.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			activate: function() {
				var library = this.get('library'),
					edit    = this.frame.state('gallery-edit').get('library');

				if ( this.editLibrary && this.editLibrary !== edit ) {
					library.unobserve( this.editLibrary );
				}

				/*
				 * Accept attachments that exist in the original library but
				 * that do not exist in gallery's library yet.
				 */
				library.validator = function( attachment ) {
					return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
				};

				/*
				 * Reset the library to ensure that all attachments are re-added
				 * to the collection. Do so silently, as calling `observe` will
				 * trigger the `reset` event.
				 */
				library.reset( library.mirroring.models, { silent: true });
				library.observe( edit );
				this.editLibrary = edit;

				Library.prototype.activate.apply( this, arguments );
			}
		});

		return GalleryAdd;

		};
		return galleryAdd;
	}

	var collectionEdit;
	var hasRequiredCollectionEdit;

	function requireCollectionEdit () {
		if (hasRequiredCollectionEdit) return collectionEdit;
		hasRequiredCollectionEdit = 1;
		collectionEdit = function() { // ClassicPress: defer loading via require()

		var Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			CollectionEdit;

		/**
		 * wp.media.controller.CollectionEdit
		 *
		 * A state for editing a collection, which is used by audio and video playlists,
		 * and can be used for other collections.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                     [attributes]                      The attributes hash passed to the state.
		 * @param {string}                     attributes.title                  Title for the state. Displays in the media menu and the frame's title region.
		 * @param {wp.media.model.Attachments} [attributes.library]              The attachments collection to edit.
		 *                                                                       If one is not supplied, an empty media.model.Selection collection is created.
		 * @param {boolean}                    [attributes.multiple=false]       Whether multi-select is enabled.
		 * @param {string}                     [attributes.content=browse]       Initial mode for the content region.
		 * @param {string}                     attributes.menu                   Initial mode for the menu region. @todo this needs a better explanation.
		 * @param {boolean}                    [attributes.searchable=false]     Whether the library is searchable.
		 * @param {boolean}                    [attributes.sortable=true]        Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.date=true]            Whether to show the date filter in the browser's toolbar.
		 * @param {boolean}                    [attributes.describe=true]        Whether to offer UI to describe the attachments - e.g. captioning images in a gallery.
		 * @param {boolean}                    [attributes.dragInfo=true]        Whether to show instructional text about the attachments being sortable.
		 * @param {boolean}                    [attributes.dragInfoText]         Instructional text about the attachments being sortable.
		 * @param {int}                        [attributes.idealColumnWidth=170] The ideal column width in pixels for attachments.
		 * @param {boolean}                    [attributes.editing=false]        Whether the gallery is being created, or editing an existing instance.
		 * @param {int}                        [attributes.priority=60]          The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.syncSelection=false]  Whether the Attachments selection should be persisted from the last state.
		 *                                                                       Defaults to false for this state, because the library passed in  *is* the selection.
		 * @param {view}                       [attributes.SettingsView]         The view to edit the collection instance settings (e.g. Playlist settings with "Show tracklist" checkbox).
		 * @param {view}                       [attributes.AttachmentView]       The single `Attachment` view to be used in the `Attachments`.
		 *                                                                       If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
		 * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
		 * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
		 */
		CollectionEdit = Library.extend(/** @lends wp.media.controller.CollectionEdit.prototype */{
			defaults: {
				multiple:         false,
				sortable:         true,
				date:             false,
				searchable:       false,
				content:          'browse',
				describe:         true,
				dragInfo:         true,
				idealColumnWidth: 170,
				editing:          false,
				priority:         60,
				SettingsView:     false,
				syncSelection:    false
			},

			/**
			 * @since 3.9.0
			 */
			initialize: function() {
				var collectionType = this.get('collectionType');

				if ( 'video' === this.get( 'type' ) ) {
					collectionType = 'video-' + collectionType;
				}

				this.set( 'id', collectionType + '-edit' );
				this.set( 'toolbar', collectionType + '-edit' );

				// If we haven't been provided a `library`, create a `Selection`.
				if ( ! this.get('library') ) {
					this.set( 'library', new wp.media.model.Selection() );
				}
				// The single `Attachment` view to be used in the `Attachments` view.
				if ( ! this.get('AttachmentView') ) {
					this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
				}
				Library.prototype.initialize.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			activate: function() {
				var library = this.get('library');

				// Limit the library to images only.
				library.props.set( 'type', this.get( 'type' ) );

				// Watch for uploaded attachments.
				this.get('library').observe( wp.Uploader.queue );

				this.frame.on( 'content:render:browse', this.renderSettings, this );

				Library.prototype.activate.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			deactivate: function() {
				// Stop watching for uploaded attachments.
				this.get('library').unobserve( wp.Uploader.queue );

				this.frame.off( 'content:render:browse', this.renderSettings, this );

				Library.prototype.deactivate.apply( this, arguments );
			},

			/**
			 * Render the collection embed settings view in the browser sidebar.
			 *
			 * @todo This is against the pattern elsewhere in media. Typically the frame
			 *       is responsible for adding region mode callbacks. Explain.
			 *
			 * @since 3.9.0
			 *
			 * @param {wp.media.view.attachmentsBrowser} The attachments browser view.
			 */
			renderSettings: function( attachmentsBrowserView ) {
				var library = this.get('library'),
					collectionType = this.get('collectionType'),
					dragInfoText = this.get('dragInfoText'),
					SettingsView = this.get('SettingsView'),
					obj = {};

				if ( ! library || ! attachmentsBrowserView ) {
					return;
				}

				library[ collectionType ] = library[ collectionType ] || new Backbone.Model();

				obj[ collectionType ] = new SettingsView({
					controller: this,
					model:      library[ collectionType ],
					priority:   40
				});

				attachmentsBrowserView.sidebar.set( obj );

				if ( dragInfoText ) {
					attachmentsBrowserView.toolbar.set( 'dragInfo', new wp.media.View({
						el: $( '<div class="instructions">' + dragInfoText + '</div>' )[0],
						priority: -40
					}) );
				}

				// Add the 'Reverse order' button to the toolbar.
				attachmentsBrowserView.toolbar.set( 'reverse', {
					text:     l10n.reverseOrder,
					priority: 80,

					click: function() {
						library.reset( library.toArray().reverse() );
					}
				});
			}
		});

		return CollectionEdit;

		};
		return collectionEdit;
	}

	var collectionAdd;
	var hasRequiredCollectionAdd;

	function requireCollectionAdd () {
		if (hasRequiredCollectionAdd) return collectionAdd;
		hasRequiredCollectionAdd = 1;
		collectionAdd = function() { // ClassicPress: defer loading via require()

		var Selection = wp.media.model.Selection,
			Library = wp.media.controller.Library,
			CollectionAdd;

		/**
		 * wp.media.controller.CollectionAdd
		 *
		 * A state for adding attachments to a collection (e.g. video playlist).
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                     [attributes]                         The attributes hash passed to the state.
		 * @param {string}                     [attributes.id=library]              Unique identifier.
		 * @param {string}                     attributes.title                     Title for the state. Displays in the frame's title region.
		 * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
		 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
		 *                                                                          If one is not supplied, a collection of attachments of the specified type will be created.
		 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
		 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
		 * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
		 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
		 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
		 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
		 * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
		 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
		 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
		 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
		 * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
		 *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
		 * @param {string}                     attributes.type                      The collection's media type. (e.g. 'video').
		 * @param {string}                     attributes.collectionType            The collection type. (e.g. 'playlist').
		 */
		CollectionAdd = Library.extend(/** @lends wp.media.controller.CollectionAdd.prototype */{
			defaults: _.defaults( {
				// Selection defaults. @see media.model.Selection
				multiple:      'add',
				// Attachments browser defaults. @see media.view.AttachmentsBrowser
				filterable:    'uploaded',

				priority:      100,
				syncSelection: false
			}, Library.prototype.defaults ),

			/**
			 * @since 3.9.0
			 */
			initialize: function() {
				var collectionType = this.get('collectionType');

				if ( 'video' === this.get( 'type' ) ) {
					collectionType = 'video-' + collectionType;
				}

				this.set( 'id', collectionType + '-library' );
				this.set( 'toolbar', collectionType + '-add' );
				this.set( 'menu', collectionType );

				// If we haven't been provided a `library`, create a `Selection`.
				if ( ! this.get('library') ) {
					this.set( 'library', wp.media.query({ type: this.get('type') }) );
				}
				Library.prototype.initialize.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			activate: function() {
				var library = this.get('library'),
					editLibrary = this.get('editLibrary'),
					edit = this.frame.state( this.get('collectionType') + '-edit' ).get('library');

				if ( editLibrary && editLibrary !== edit ) {
					library.unobserve( editLibrary );
				}

				// Accepts attachments that exist in the original library and
				// that do not exist in gallery's library.
				library.validator = function( attachment ) {
					return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
				};

				/*
				 * Reset the library to ensure that all attachments are re-added
				 * to the collection. Do so silently, as calling `observe` will
				 * trigger the `reset` event.
				 */
				library.reset( library.mirroring.models, { silent: true });
				library.observe( edit );
				this.set('editLibrary', edit);

				Library.prototype.activate.apply( this, arguments );
			}
		});

		return CollectionAdd;

		};
		return collectionAdd;
	}

	var featuredImage;
	var hasRequiredFeaturedImage;

	function requireFeaturedImage () {
		if (hasRequiredFeaturedImage) return featuredImage;
		hasRequiredFeaturedImage = 1;
		featuredImage = function() { // ClassicPress: defer loading via require()

		var Attachment = wp.media.model.Attachment,
			Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			FeaturedImage;

		/**
		 * wp.media.controller.FeaturedImage
		 *
		 * A state for selecting a featured image for a post.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                     [attributes]                          The attributes hash passed to the state.
		 * @param {string}                     [attributes.id=featured-image]        Unique identifier.
		 * @param {string}                     [attributes.title=Set Featured Image] Title for the state. Displays in the media menu and the frame's title region.
		 * @param {wp.media.model.Attachments} [attributes.library]                  The attachments collection to browse.
		 *                                                                           If one is not supplied, a collection of all images will be created.
		 * @param {boolean}                    [attributes.multiple=false]           Whether multi-select is enabled.
		 * @param {string}                     [attributes.content=upload]           Initial mode for the content region.
		 *                                                                           Overridden by persistent user setting if 'contentUserSetting' is true.
		 * @param {string}                     [attributes.menu=default]             Initial mode for the menu region.
		 * @param {string}                     [attributes.router=browse]            Initial mode for the router region.
		 * @param {string}                     [attributes.toolbar=featured-image]   Initial mode for the toolbar region.
		 * @param {int}                        [attributes.priority=60]              The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.searchable=true]          Whether the library is searchable.
		 * @param {boolean|string}             [attributes.filterable=false]         Whether the library is filterable, and if so what filters should be shown.
		 *                                                                           Accepts 'all', 'uploaded', or 'unattached'.
		 * @param {boolean}                    [attributes.sortable=true]            Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.autoSelect=true]          Whether an uploaded attachment should be automatically added to the selection.
		 * @param {boolean}                    [attributes.describe=false]           Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
		 * @param {boolean}                    [attributes.contentUserSetting=true]  Whether the content region's mode should be set and persisted per user.
		 * @param {boolean}                    [attributes.syncSelection=true]       Whether the Attachments selection should be persisted from the last state.
		 */
		FeaturedImage = Library.extend(/** @lends wp.media.controller.FeaturedImage.prototype */{
			defaults: _.defaults({
				id:            'featured-image',
				title:         l10n.setFeaturedImageTitle,
				multiple:      false,
				filterable:    'uploaded',
				toolbar:       'featured-image',
				priority:      60,
				syncSelection: true
			}, Library.prototype.defaults ),

			/**
			 * @since 3.5.0
			 */
			initialize: function() {
				var library, comparator;

				// If we haven't been provided a `library`, create a `Selection`.
				if ( ! this.get('library') ) {
					this.set( 'library', wp.media.query({ type: 'image' }) );
				}

				Library.prototype.initialize.apply( this, arguments );

				library    = this.get('library');
				comparator = library.comparator;

				// Overload the library's comparator to push items that are not in
				// the mirrored query to the front of the aggregate collection.
				library.comparator = function( a, b ) {
					var aInQuery = !! this.mirroring.get( a.cid ),
						bInQuery = !! this.mirroring.get( b.cid );

					if ( ! aInQuery && bInQuery ) {
						return -1;
					} else if ( aInQuery && ! bInQuery ) {
						return 1;
					} else {
						return comparator.apply( this, arguments );
					}
				};

				// Add all items in the selection to the library, so any featured
				// images that are not initially loaded still appear.
				library.observe( this.get('selection') );
			},

			/**
			 * @since 3.5.0
			 */
			activate: function() {
				this.frame.on( 'open', this.updateSelection, this );

				Library.prototype.activate.apply( this, arguments );
			},

			/**
			 * @since 3.5.0
			 */
			deactivate: function() {
				this.frame.off( 'open', this.updateSelection, this );

				Library.prototype.deactivate.apply( this, arguments );
			},

			/**
			 * @since 3.5.0
			 */
			updateSelection: function() {
				var selection = this.get('selection'),
					id = wp.media.view.settings.post.featuredImageId,
					attachment;

				if ( '' !== id && -1 !== id ) {
					attachment = Attachment.get( id );
					attachment.fetch();
				}

				selection.reset( attachment ? [ attachment ] : [] );
			}
		});

		return FeaturedImage;

		};
		return featuredImage;
	}

	var replaceImage;
	var hasRequiredReplaceImage;

	function requireReplaceImage () {
		if (hasRequiredReplaceImage) return replaceImage;
		hasRequiredReplaceImage = 1;
		replaceImage = function() { // ClassicPress: defer loading via require()

		var Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			ReplaceImage;

		/**
		 * wp.media.controller.ReplaceImage
		 *
		 * A state for replacing an image.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                     [attributes]                         The attributes hash passed to the state.
		 * @param {string}                     [attributes.id=replace-image]        Unique identifier.
		 * @param {string}                     [attributes.title=Replace Image]     Title for the state. Displays in the media menu and the frame's title region.
		 * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
		 *                                                                          If one is not supplied, a collection of all images will be created.
		 * @param {boolean}                    [attributes.multiple=false]          Whether multi-select is enabled.
		 * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
		 *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
		 * @param {string}                     [attributes.menu=default]            Initial mode for the menu region.
		 * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
		 * @param {string}                     [attributes.toolbar=replace]         Initial mode for the toolbar region.
		 * @param {int}                        [attributes.priority=60]             The priority for the state link in the media menu.
		 * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
		 * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
		 *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
		 * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
		 * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
		 * @param {boolean}                    [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
		 * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
		 * @param {boolean}                    [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
		 */
		ReplaceImage = Library.extend(/** @lends wp.media.controller.ReplaceImage.prototype */{
			defaults: _.defaults({
				id:            'replace-image',
				title:         l10n.replaceImageTitle,
				multiple:      false,
				filterable:    'uploaded',
				toolbar:       'replace',
				menu:          false,
				priority:      60,
				syncSelection: true
			}, Library.prototype.defaults ),

			/**
			 * @since 3.9.0
			 *
			 * @param options
			 */
			initialize: function( options ) {
				var library, comparator;

				this.image = options.image;
				// If we haven't been provided a `library`, create a `Selection`.
				if ( ! this.get('library') ) {
					this.set( 'library', wp.media.query({ type: 'image' }) );
				}

				Library.prototype.initialize.apply( this, arguments );

				library    = this.get('library');
				comparator = library.comparator;

				// Overload the library's comparator to push items that are not in
				// the mirrored query to the front of the aggregate collection.
				library.comparator = function( a, b ) {
					var aInQuery = !! this.mirroring.get( a.cid ),
						bInQuery = !! this.mirroring.get( b.cid );

					if ( ! aInQuery && bInQuery ) {
						return -1;
					} else if ( aInQuery && ! bInQuery ) {
						return 1;
					} else {
						return comparator.apply( this, arguments );
					}
				};

				// Add all items in the selection to the library, so any featured
				// images that are not initially loaded still appear.
				library.observe( this.get('selection') );
			},

			/**
			 * @since 3.9.0
			 */
			activate: function() {
				this.frame.on( 'content:render:browse', this.updateSelection, this );

				Library.prototype.activate.apply( this, arguments );
			},

			/**
			 * @since 5.9.0
			 */
			deactivate: function() {
				this.frame.off( 'content:render:browse', this.updateSelection, this );

				Library.prototype.deactivate.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			updateSelection: function() {
				var selection = this.get('selection'),
					attachment = this.image.attachment;

				selection.reset( attachment ? [ attachment ] : [] );
			}
		});

		return ReplaceImage;

		};
		return replaceImage;
	}

	var editImage$1;
	var hasRequiredEditImage$1;

	function requireEditImage$1 () {
		if (hasRequiredEditImage$1) return editImage$1;
		hasRequiredEditImage$1 = 1;
		editImage$1 = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			EditImage;

		/**
		 * wp.media.controller.EditImage
		 *
		 * A state for editing (cropping, etc.) an image.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object}                    attributes                      The attributes hash passed to the state.
		 * @param {wp.media.model.Attachment} attributes.model                The attachment.
		 * @param {string}                    [attributes.id=edit-image]      Unique identifier.
		 * @param {string}                    [attributes.title=Edit Image]   Title for the state. Displays in the media menu and the frame's title region.
		 * @param {string}                    [attributes.content=edit-image] Initial mode for the content region.
		 * @param {string}                    [attributes.toolbar=edit-image] Initial mode for the toolbar region.
		 * @param {string}                    [attributes.menu=false]         Initial mode for the menu region.
		 * @param {string}                    [attributes.url]                Unused. @todo Consider removal.
		 */
		EditImage = wp.media.controller.State.extend(/** @lends wp.media.controller.EditImage.prototype */{
			defaults: {
				id:      'edit-image',
				title:   l10n.editImage,
				menu:    false,
				toolbar: 'edit-image',
				content: 'edit-image',
				url:     ''
			},

			/**
			 * Activates a frame for editing a featured image.
			 *
			 * @since 3.9.0
			 *
			 * @return {void}
			 */
			activate: function() {
				this.frame.on( 'toolbar:render:edit-image', _.bind( this.toolbar, this ) );
			},

			/**
			 * Deactivates a frame for editing a featured image.
			 *
			 * @since 3.9.0
			 *
			 * @return {void}
			 */
			deactivate: function() {
				this.frame.off( 'toolbar:render:edit-image' );
			},

			/**
			 * Adds a toolbar with a back button.
			 *
			 * When the back button is pressed it checks whether there is a previous state.
			 * In case there is a previous state it sets that previous state otherwise it
			 * closes the frame.
			 *
			 * @since 3.9.0
			 *
			 * @return {void}
			 */
			toolbar: function() {
				var frame = this.frame,
					lastState = frame.lastState(),
					previous = lastState && lastState.id;

				frame.toolbar.set( new wp.media.view.Toolbar({
					controller: frame,
					items: {
						back: {
							style: 'primary',
							text:     l10n.back,
							priority: 20,
							click:    function() {
								if ( previous ) {
									frame.setState( previous );
								} else {
									frame.close();
								}
							}
						}
					}
				}) );
			}
		});

		return EditImage;

		};
		return editImage$1;
	}

	var mediaLibrary;
	var hasRequiredMediaLibrary;

	function requireMediaLibrary () {
		if (hasRequiredMediaLibrary) return mediaLibrary;
		hasRequiredMediaLibrary = 1;
		mediaLibrary = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.controller.MediaLibrary
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Library
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 */
		var Library = wp.media.controller.Library,
			MediaLibrary;

		MediaLibrary = Library.extend(/** @lends wp.media.controller.MediaLibrary.prototype */{
			defaults: _.defaults({
				// Attachments browser defaults. @see media.view.AttachmentsBrowser
				filterable:      'uploaded',

				displaySettings: false,
				priority:        80,
				syncSelection:   false
			}, Library.prototype.defaults ),

			/**
			 * @since 3.9.0
			 *
			 * @param options
			 */
			initialize: function( options ) {
				this.media = options.media;
				this.type = options.type;
				this.set( 'library', wp.media.query({ type: this.type }) );

				Library.prototype.initialize.apply( this, arguments );
			},

			/**
			 * @since 3.9.0
			 */
			activate: function() {
				// @todo this should use this.frame.
				if ( wp.media.frame.lastMime ) {
					this.set( 'library', wp.media.query({ type: wp.media.frame.lastMime }) );
					delete wp.media.frame.lastMime;
				}
				Library.prototype.activate.apply( this, arguments );
			}
		});

		return MediaLibrary;

		};
		return mediaLibrary;
	}

	var embed$2;
	var hasRequiredEmbed$2;

	function requireEmbed$2 () {
		if (hasRequiredEmbed$2) return embed$2;
		hasRequiredEmbed$2 = 1;
		embed$2 = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			$ = Backbone.$,
			Embed;

		/**
		 * wp.media.controller.Embed
		 *
		 * A state for embedding media from a URL.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 *
		 * @param {object} attributes                         The attributes hash passed to the state.
		 * @param {string} [attributes.id=embed]              Unique identifier.
		 * @param {string} [attributes.title=Insert From URL] Title for the state. Displays in the media menu and the frame's title region.
		 * @param {string} [attributes.content=embed]         Initial mode for the content region.
		 * @param {string} [attributes.menu=default]          Initial mode for the menu region.
		 * @param {string} [attributes.toolbar=main-embed]    Initial mode for the toolbar region.
		 * @param {string} [attributes.menu=false]            Initial mode for the menu region.
		 * @param {int}    [attributes.priority=120]          The priority for the state link in the media menu.
		 * @param {string} [attributes.type=link]             The type of embed. Currently only link is supported.
		 * @param {string} [attributes.url]                   The embed URL.
		 * @param {object} [attributes.metadata={}]           Properties of the embed, which will override attributes.url if set.
		 */
		Embed = wp.media.controller.State.extend(/** @lends wp.media.controller.Embed.prototype */{
			defaults: {
				id:       'embed',
				title:    l10n.insertFromUrlTitle,
				content:  'embed',
				menu:     'default',
				toolbar:  'main-embed',
				priority: 120,
				type:     'link',
				url:      '',
				metadata: {}
			},

			// The amount of time used when debouncing the scan.
			sensitivity: 400,

			initialize: function(options) {
				this.metadata = options.metadata;
				this.debouncedScan = _.debounce( _.bind( this.scan, this ), this.sensitivity );
				this.props = new Backbone.Model( this.metadata || { url: '' });
				this.props.on( 'change:url', this.debouncedScan, this );
				this.props.on( 'change:url', this.refresh, this );
				this.on( 'scan', this.scanImage, this );
			},

			/**
			 * Trigger a scan of the embedded URL's content for metadata required to embed.
			 *
			 * @fires wp.media.controller.Embed#scan
			 */
			scan: function() {
				var scanners,
					embed = this,
					attributes = {
						type: 'link',
						scanners: []
					};

				/*
				 * Scan is triggered with the list of `attributes` to set on the
				 * state, useful for the 'type' attribute and 'scanners' attribute,
				 * an array of promise objects for asynchronous scan operations.
				 */
				if ( this.props.get('url') ) {
					this.trigger( 'scan', attributes );
				}

				if ( attributes.scanners.length ) {
					scanners = attributes.scanners = $.when.apply( $, attributes.scanners );
					scanners.always( function() {
						if ( embed.get('scanners') === scanners ) {
							embed.set( 'loading', false );
						}
					});
				} else {
					attributes.scanners = null;
				}

				attributes.loading = !! attributes.scanners;
				this.set( attributes );
			},
			/**
			 * Try scanning the embed as an image to discover its dimensions.
			 *
			 * @param {Object} attributes
			 */
			scanImage: function( attributes ) {
				var frame = this.frame,
					state = this,
					url = this.props.get('url'),
					image = new Image(),
					deferred = $.Deferred();

				attributes.scanners.push( deferred.promise() );

				// Try to load the image and find its width/height.
				image.onload = function() {
					deferred.resolve();

					if ( state !== frame.state() || url !== state.props.get('url') ) {
						return;
					}

					state.set({
						type: 'image'
					});

					state.props.set({
						width:  image.width,
						height: image.height
					});
				};

				image.onerror = deferred.reject;
				image.src = url;
			},

			refresh: function() {
				this.frame.toolbar.get().refresh();
			},

			reset: function() {
				this.props.clear().set({ url: '' });

				if ( this.active ) {
					this.refresh();
				}
			}
		});

		return Embed;

		};
		return embed$2;
	}

	var cropper$1;
	var hasRequiredCropper$1;

	function requireCropper$1 () {
		if (hasRequiredCropper$1) return cropper$1;
		hasRequiredCropper$1 = 1;
		cropper$1 = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			Cropper;

		/**
		 * wp.media.controller.Cropper
		 *
		 * A class for cropping an image when called from the header media customization panel.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 */
		Cropper = wp.media.controller.State.extend(/** @lends wp.media.controller.Cropper.prototype */{
			defaults: {
				id:          'cropper',
				title:       l10n.cropImage,
				// Region mode defaults.
				toolbar:     'crop',
				content:     'crop',
				router:      false,
				canSkipCrop: false,

				// Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
				doCropArgs: {}
			},

			/**
			 * Shows the crop image window when called from the Add new image button.
			 *
			 * @since 4.2.0
			 *
			 * @return {void}
			 */
			activate: function() {
				this.frame.on( 'content:create:crop', this.createCropContent, this );
				this.frame.on( 'close', this.removeCropper, this );
				this.set('selection', new Backbone.Collection(this.frame._selection.single));
			},

			/**
			 * Changes the state of the toolbar window to browse mode.
			 *
			 * @since 4.2.0
			 *
			 * @return {void}
			 */
			deactivate: function() {
				this.frame.toolbar.mode('browse');
			},

			/**
			 * Creates the crop image window.
			 *
			 * Initialized when clicking on the Select and Crop button.
			 *
			 * @since 4.2.0
			 *
			 * @fires crop window
			 *
			 * @return {void}
			 */
			createCropContent: function() {
				this.cropperView = new wp.media.view.Cropper({
					controller: this,
					attachment: this.get('selection').first()
				});
				this.cropperView.on('image-loaded', this.createCropToolbar, this);
				this.frame.content.set(this.cropperView);

			},

			/**
			 * Removes the image selection and closes the cropping window.
			 *
			 * @since 4.2.0
			 *
			 * @return {void}
			 */
			removeCropper: function() {
				this.imgSelect.cancelSelection();
				this.imgSelect.setOptions({remove: true});
				this.imgSelect.update();
				this.cropperView.remove();
			},

			/**
			 * Checks if cropping can be skipped and creates crop toolbar accordingly.
			 *
			 * @since 4.2.0
			 *
			 * @return {void}
			 */
			createCropToolbar: function() {
				var canSkipCrop, toolbarOptions;

				canSkipCrop = this.get('canSkipCrop') || false;

				toolbarOptions = {
					controller: this.frame,
					items: {
						insert: {
							style:    'primary',
							text:     l10n.cropImage,
							priority: 80,
							requires: { library: false, selection: false },

							click: function() {
								var controller = this.controller,
									selection;

								selection = controller.state().get('selection').first();
								selection.set({cropDetails: controller.state().imgSelect.getSelection()});

								this.$el.text(l10n.cropping);
								this.$el.attr('disabled', true);

								controller.state().doCrop( selection ).done( function( croppedImage ) {
									controller.trigger('cropped', croppedImage );
									controller.close();
								}).fail( function() {
									controller.trigger('content:error:crop');
								});
							}
						}
					}
				};

				if ( canSkipCrop ) {
					_.extend( toolbarOptions.items, {
						skip: {
							style:      'secondary',
							text:       l10n.skipCropping,
							priority:   70,
							requires:   { library: false, selection: false },
							click:      function() {
								var selection = this.controller.state().get('selection').first();
								this.controller.state().cropperView.remove();
								this.controller.trigger('skippedcrop', selection);
								this.controller.close();
							}
						}
					});
				}

				this.frame.toolbar.set( new wp.media.view.Toolbar(toolbarOptions) );
			},

			/**
			 * Creates an object with the image attachment and crop properties.
			 *
			 * @since 4.2.0
			 *
			 * @return {$.promise} A jQuery promise with the custom header crop details.
			 */
			doCrop: function( attachment ) {
				return wp.ajax.post( 'custom-header-crop', _.extend(
					{},
					this.defaults.doCropArgs,
					{
						nonce: attachment.get( 'nonces' ).edit,
						id: attachment.get( 'id' ),
						cropDetails: attachment.get( 'cropDetails' )
					}
				) );
			}
		});

		return Cropper;

		};
		return cropper$1;
	}

	var customizeImageCropper;
	var hasRequiredCustomizeImageCropper;

	function requireCustomizeImageCropper () {
		if (hasRequiredCustomizeImageCropper) return customizeImageCropper;
		hasRequiredCustomizeImageCropper = 1;
		customizeImageCropper = function() { // ClassicPress: defer loading via require()

		var Controller = wp.media.controller,
			CustomizeImageCropper;

		/**
		 * A state for cropping an image in the customizer.
		 *
		 * @since 4.3.0
		 *
		 * @constructs wp.media.controller.CustomizeImageCropper
		 * @memberOf wp.media.controller
		 * @augments wp.media.controller.CustomizeImageCropper.Cropper
		 * @inheritDoc
		 */
		CustomizeImageCropper = Controller.Cropper.extend(/** @lends wp.media.controller.CustomizeImageCropper.prototype */{
			/**
			 * Posts the crop details to the admin.
			 *
			 * Uses crop measurements when flexible in both directions.
			 * Constrains flexible side based on image ratio and size of the fixed side.
			 *
			 * @since 4.3.0
			 *
			 * @param {Object} attachment The attachment to crop.
			 *
			 * @return {$.promise} A jQuery promise that represents the crop image request.
			 */
			doCrop: function( attachment ) {
				var cropDetails = attachment.get( 'cropDetails' ),
					control = this.get( 'control' ),
					ratio = cropDetails.width / cropDetails.height;

				// Use crop measurements when flexible in both directions.
				if ( control.params.flex_width && control.params.flex_height ) {
					cropDetails.dst_width  = cropDetails.width;
					cropDetails.dst_height = cropDetails.height;

				// Constrain flexible side based on image ratio and size of the fixed side.
				} else {
					cropDetails.dst_width  = control.params.flex_width  ? control.params.height * ratio : control.params.width;
					cropDetails.dst_height = control.params.flex_height ? control.params.width  / ratio : control.params.height;
				}

				return wp.ajax.post( 'crop-image', {
					wp_customize: 'on',
					nonce: attachment.get( 'nonces' ).edit,
					id: attachment.get( 'id' ),
					context: control.id,
					cropDetails: cropDetails
				} );
			}
		});

		return CustomizeImageCropper;

		};
		return customizeImageCropper;
	}

	var siteIconCropper$1;
	var hasRequiredSiteIconCropper$1;

	function requireSiteIconCropper$1 () {
		if (hasRequiredSiteIconCropper$1) return siteIconCropper$1;
		hasRequiredSiteIconCropper$1 = 1;
		siteIconCropper$1 = function() { // ClassicPress: defer loading via require()

		var Controller = wp.media.controller,
			SiteIconCropper;

		/**
		 * wp.media.controller.SiteIconCropper
		 *
		 * A state for cropping a Site Icon.
		 *
		 * @memberOf wp.media.controller
		 *
		 * @class
		 * @augments wp.media.controller.Cropper
		 * @augments wp.media.controller.State
		 * @augments Backbone.Model
		 */
		SiteIconCropper = Controller.Cropper.extend(/** @lends wp.media.controller.SiteIconCropper.prototype */{
			activate: function() {
				this.frame.on( 'content:create:crop', this.createCropContent, this );
				this.frame.on( 'close', this.removeCropper, this );
				this.set('selection', new Backbone.Collection(this.frame._selection.single));
			},

			createCropContent: function() {
				this.cropperView = new wp.media.view.SiteIconCropper({
					controller: this,
					attachment: this.get('selection').first()
				});
				this.cropperView.on('image-loaded', this.createCropToolbar, this);
				this.frame.content.set(this.cropperView);

			},

			doCrop: function( attachment ) {
				var cropDetails = attachment.get( 'cropDetails' ),
					control = this.get( 'control' );

				cropDetails.dst_width  = control.params.width;
				cropDetails.dst_height = control.params.height;

				return wp.ajax.post( 'crop-image', {
					nonce: attachment.get( 'nonces' ).edit,
					id: attachment.get( 'id' ),
					context: 'site-icon',
					cropDetails: cropDetails
				} );
			}
		});

		return SiteIconCropper;

		};
		return siteIconCropper$1;
	}

	var view;
	var hasRequiredView;

	function requireView () {
		if (hasRequiredView) return view;
		hasRequiredView = 1;
		view = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.View
		 *
		 * The base view class for media.
		 *
		 * Undelegating events, removing events from the model, and
		 * removing events from the controller mirror the code for
		 * `Backbone.View.dispose` in Backbone 0.9.8 development.
		 *
		 * This behavior has since been removed, and should not be used
		 * outside of the media manager.
		 *
		 * @memberOf wp.media
		 *
		 * @class
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var View = wp.Backbone.View.extend(/** @lends wp.media.View.prototype */{
			constructor: function( options ) {
				if ( options && options.controller ) {
					this.controller = options.controller;
				}
				wp.Backbone.View.apply( this, arguments );
			},
			/**
			 * @todo The internal comment mentions this might have been a stop-gap
			 *       before Backbone 0.9.8 came out. Figure out if Backbone core takes
			 *       care of this in Backbone.View now.
			 *
			 * @return {wp.media.View} Returns itself to allow chaining.
			 */
			dispose: function() {
				/*
				 * Undelegating events, removing events from the model, and
				 * removing events from the controller mirror the code for
				 * `Backbone.View.dispose` in Backbone 0.9.8 development.
				 */
				this.undelegateEvents();

				if ( this.model && this.model.off ) {
					this.model.off( null, null, this );
				}

				if ( this.collection && this.collection.off ) {
					this.collection.off( null, null, this );
				}

				// Unbind controller events.
				if ( this.controller && this.controller.off ) {
					this.controller.off( null, null, this );
				}

				return this;
			},
			/**
			 * @return {wp.media.View} Returns itself to allow chaining.
			 */
			remove: function() {
				this.dispose();
				/**
				 * call 'remove' directly on the parent class
				 */
				return wp.Backbone.View.prototype.remove.apply( this, arguments );
			}
		});

		return View;

		};
		return view;
	}

	var frame;
	var hasRequiredFrame;

	function requireFrame () {
		if (hasRequiredFrame) return frame;
		hasRequiredFrame = 1;
		frame = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Frame
		 *
		 * A frame is a composite view consisting of one or more regions and one or more
		 * states.
		 *
		 * @memberOf wp.media.view
		 *
		 * @see wp.media.controller.State
		 * @see wp.media.controller.Region
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 * @mixes wp.media.controller.StateMachine
		 */
		var Frame = wp.media.View.extend(/** @lends wp.media.view.Frame.prototype */{
			initialize: function() {
				_.defaults( this.options, {
					mode: [ 'select' ]
				});
				this._createRegions();
				this._createStates();
				this._createModes();
			},

			_createRegions: function() {
				// Clone the regions array.
				this.regions = this.regions ? this.regions.slice() : [];

				// Initialize regions.
				_.each( this.regions, function( region ) {
					this[ region ] = new wp.media.controller.Region({
						view:     this,
						id:       region,
						selector: '.media-frame-' + region
					});
				}, this );
			},
			/**
			 * Create the frame's states.
			 *
			 * @see wp.media.controller.State
			 * @see wp.media.controller.StateMachine
			 *
			 * @fires wp.media.controller.State#ready
			 */
			_createStates: function() {
				// Create the default `states` collection.
				this.states = new Backbone.Collection( null, {
					model: wp.media.controller.State
				});

				// Ensure states have a reference to the frame.
				this.states.on( 'add', function( model ) {
					model.frame = this;
					model.trigger('ready');
				}, this );

				if ( this.options.states ) {
					this.states.add( this.options.states );
				}
			},

			/**
			 * A frame can be in a mode or multiple modes at one time.
			 *
			 * For example, the manage media frame can be in the `Bulk Select` or `Edit` mode.
			 */
			_createModes: function() {
				// Store active "modes" that the frame is in. Unrelated to region modes.
				this.activeModes = new Backbone.Collection();
				this.activeModes.on( 'add remove reset', _.bind( this.triggerModeEvents, this ) );

				_.each( this.options.mode, function( mode ) {
					this.activateMode( mode );
				}, this );
			},
			/**
			 * Reset all states on the frame to their defaults.
			 *
			 * @return {wp.media.view.Frame} Returns itself to allow chaining.
			 */
			reset: function() {
				this.states.invoke( 'trigger', 'reset' );
				return this;
			},
			/**
			 * Map activeMode collection events to the frame.
			 */
			triggerModeEvents: function( model, collection, options ) {
				var collectionEvent,
					modeEventMap = {
						add: 'activate',
						remove: 'deactivate'
					},
					eventToTrigger;
				// Probably a better way to do this.
				_.each( options, function( value, key ) {
					if ( value ) {
						collectionEvent = key;
					}
				} );

				if ( ! _.has( modeEventMap, collectionEvent ) ) {
					return;
				}

				eventToTrigger = model.get('id') + ':' + modeEventMap[collectionEvent];
				this.trigger( eventToTrigger );
			},
			/**
			 * Activate a mode on the frame.
			 *
			 * @param string mode Mode ID.
			 * @return {this} Returns itself to allow chaining.
			 */
			activateMode: function( mode ) {
				// Bail if the mode is already active.
				if ( this.isModeActive( mode ) ) {
					return;
				}
				this.activeModes.add( [ { id: mode } ] );
				// Add a CSS class to the frame so elements can be styled for the mode.
				this.$el.addClass( 'mode-' + mode );

				return this;
			},
			/**
			 * Deactivate a mode on the frame.
			 *
			 * @param string mode Mode ID.
			 * @return {this} Returns itself to allow chaining.
			 */
			deactivateMode: function( mode ) {
				// Bail if the mode isn't active.
				if ( ! this.isModeActive( mode ) ) {
					return this;
				}
				this.activeModes.remove( this.activeModes.where( { id: mode } ) );
				this.$el.removeClass( 'mode-' + mode );
				/**
				 * Frame mode deactivation event.
				 *
				 * @event wp.media.view.Frame#{mode}:deactivate
				 */
				this.trigger( mode + ':deactivate' );

				return this;
			},
			/**
			 * Check if a mode is enabled on the frame.
			 *
			 * @param string mode Mode ID.
			 * @return bool
			 */
			isModeActive: function( mode ) {
				return Boolean( this.activeModes.where( { id: mode } ).length );
			}
		});

		// Make the `Frame` a `StateMachine`.
		_.extend( Frame.prototype, wp.media.controller.StateMachine.prototype );

		return Frame;

		};
		return frame;
	}

	var mediaFrame;
	var hasRequiredMediaFrame;

	function requireMediaFrame () {
		if (hasRequiredMediaFrame) return mediaFrame;
		hasRequiredMediaFrame = 1;
		mediaFrame = function() { // ClassicPress: defer loading via require()

		var Frame = wp.media.view.Frame,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			MediaFrame;

		/**
		 * wp.media.view.MediaFrame
		 *
		 * The frame used to create the media modal.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Frame
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 * @mixes wp.media.controller.StateMachine
		 */
		MediaFrame = Frame.extend(/** @lends wp.media.view.MediaFrame.prototype */{
			className: 'media-frame',
			template:  wp.template('media-frame'),
			regions:   ['menu','title','content','toolbar','router'],

			events: {
				'click .media-frame-menu-toggle': 'toggleMenu'
			},

			/**
			 * @constructs
			 */
			initialize: function() {
				Frame.prototype.initialize.apply( this, arguments );

				_.defaults( this.options, {
					title:    l10n.mediaFrameDefaultTitle,
					modal:    true,
					uploader: true
				});

				// Ensure core UI is enabled.
				this.$el.addClass('wp-core-ui');

				// Initialize modal container view.
				if ( this.options.modal ) {
					this.modal = new wp.media.view.Modal({
						controller: this,
						title:      this.options.title
					});

					this.modal.content( this );
				}

				// Force the uploader off if the upload limit has been exceeded or
				// if the browser isn't supported.
				if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
					this.options.uploader = false;
				}

				// Initialize window-wide uploader.
				if ( this.options.uploader ) {
					this.uploader = new wp.media.view.UploaderWindow({
						controller: this,
						uploader: {
							dropzone:  this.modal ? this.modal.$el : this.$el,
							container: this.$el
						}
					});
					this.views.set( '.media-frame-uploader', this.uploader );
				}

				this.on( 'attach', _.bind( this.views.ready, this.views ), this );

				// Bind default title creation.
				this.on( 'title:create:default', this.createTitle, this );
				this.title.mode('default');

				// Bind default menu.
				this.on( 'menu:create:default', this.createMenu, this );

				// Set the menu ARIA tab panel attributes when the modal opens.
				this.on( 'open', this.setMenuTabPanelAriaAttributes, this );
				// Set the router ARIA tab panel attributes when the modal opens.
				this.on( 'open', this.setRouterTabPanelAriaAttributes, this );

				// Update the menu ARIA tab panel attributes when the content updates.
				this.on( 'content:render', this.setMenuTabPanelAriaAttributes, this );
				// Update the router ARIA tab panel attributes when the content updates.
				this.on( 'content:render', this.setRouterTabPanelAriaAttributes, this );
			},

			/**
			 * Sets the attributes to be used on the menu ARIA tab panel.
			 *
			 * @since 5.3.0
			 *
			 * @return {void}
			 */
			setMenuTabPanelAriaAttributes: function() {
				var stateId = this.state().get( 'id' ),
					tabPanelEl = this.$el.find( '.media-frame-tab-panel' ),
					ariaLabelledby;

				tabPanelEl.removeAttr( 'role aria-labelledby tabindex' );

				if ( this.state().get( 'menu' ) && this.menuView && this.menuView.isVisible ) {
					ariaLabelledby = 'menu-item-' + stateId;

					// Set the tab panel attributes only if the tabs are visible.
					tabPanelEl
						.attr( {
							role: 'tabpanel',
							'aria-labelledby': ariaLabelledby,
							tabIndex: '0'
						} );
				}
			},

			/**
			 * Sets the attributes to be used on the router ARIA tab panel.
			 *
			 * @since 5.3.0
			 *
			 * @return {void}
			 */
			setRouterTabPanelAriaAttributes: function() {
				var tabPanelEl = this.$el.find( '.media-frame-content' ),
					ariaLabelledby;

				tabPanelEl.removeAttr( 'role aria-labelledby tabindex' );

				// Set the tab panel attributes only if the tabs are visible.
				if ( this.state().get( 'router' ) && this.routerView && this.routerView.isVisible && this.content._mode ) {
					ariaLabelledby = 'menu-item-' + this.content._mode;

					tabPanelEl
						.attr( {
							role: 'tabpanel',
							'aria-labelledby': ariaLabelledby,
							tabIndex: '0'
						} );
				}
			},

			/**
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			render: function() {
				// Activate the default state if no active state exists.
				if ( ! this.state() && this.options.state ) {
					this.setState( this.options.state );
				}
				/**
				 * call 'render' directly on the parent class
				 */
				return Frame.prototype.render.apply( this, arguments );
			},
			/**
			 * @param {Object} title
			 * @this wp.media.controller.Region
			 */
			createTitle: function( title ) {
				title.view = new wp.media.View({
					controller: this,
					tagName: 'h1'
				});
			},
			/**
			 * @param {Object} menu
			 * @this wp.media.controller.Region
			 */
			createMenu: function( menu ) {
				menu.view = new wp.media.view.Menu({
					controller: this,

					attributes: {
						role:               'tablist',
						'aria-orientation': 'vertical'
					}
				});

				this.menuView = menu.view;
			},

			toggleMenu: function( event ) {
				var menu = this.$el.find( '.media-menu' );

				menu.toggleClass( 'visible' );
				$( event.target ).attr( 'aria-expanded', menu.hasClass( 'visible' ) );
			},

			/**
			 * @param {Object} toolbar
			 * @this wp.media.controller.Region
			 */
			createToolbar: function( toolbar ) {
				toolbar.view = new wp.media.view.Toolbar({
					controller: this
				});
			},
			/**
			 * @param {Object} router
			 * @this wp.media.controller.Region
			 */
			createRouter: function( router ) {
				router.view = new wp.media.view.Router({
					controller: this,

					attributes: {
						role:               'tablist',
						'aria-orientation': 'horizontal'
					}
				});

				this.routerView = router.view;
			},
			/**
			 * @param {Object} options
			 */
			createIframeStates: function( options ) {
				var settings = wp.media.view.settings,
					tabs = settings.tabs,
					tabUrl = settings.tabUrl,
					$postId;

				if ( ! tabs || ! tabUrl ) {
					return;
				}

				// Add the post ID to the tab URL if it exists.
				$postId = $('#post_ID');
				if ( $postId.length ) {
					tabUrl += '&post_id=' + $postId.val();
				}

				// Generate the tab states.
				_.each( tabs, function( title, id ) {
					this.state( 'iframe:' + id ).set( _.defaults({
						tab:     id,
						src:     tabUrl + '&tab=' + id,
						title:   title,
						content: 'iframe',
						menu:    'default'
					}, options ) );
				}, this );

				this.on( 'content:create:iframe', this.iframeContent, this );
				this.on( 'content:deactivate:iframe', this.iframeContentCleanup, this );
				this.on( 'menu:render:default', this.iframeMenu, this );
				this.on( 'open', this.hijackThickbox, this );
				this.on( 'close', this.restoreThickbox, this );
			},

			/**
			 * @param {Object} content
			 * @this wp.media.controller.Region
			 */
			iframeContent: function( content ) {
				this.$el.addClass('hide-toolbar');
				content.view = new wp.media.view.Iframe({
					controller: this
				});
			},

			iframeContentCleanup: function() {
				this.$el.removeClass('hide-toolbar');
			},

			iframeMenu: function( view ) {
				var views = {};

				if ( ! view ) {
					return;
				}

				_.each( wp.media.view.settings.tabs, function( title, id ) {
					views[ 'iframe:' + id ] = {
						text: this.state( 'iframe:' + id ).get('title'),
						priority: 200
					};
				}, this );

				view.set( views );
			},

			hijackThickbox: function() {
				var frame = this;

				if ( ! window.tb_remove || this._tb_remove ) {
					return;
				}

				this._tb_remove = window.tb_remove;
				window.tb_remove = function() {
					frame.close();
					frame.reset();
					frame.setState( frame.options.state );
					frame._tb_remove.call( window );
				};
			},

			restoreThickbox: function() {
				if ( ! this._tb_remove ) {
					return;
				}

				window.tb_remove = this._tb_remove;
				delete this._tb_remove;
			}
		});

		// Map some of the modal's methods to the frame.
		_.each(['open','close','attach','detach','escape'], function( method ) {
			/**
			 * @function open
			 * @memberOf wp.media.view.MediaFrame
			 * @instance
			 *
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			/**
			 * @function close
			 * @memberOf wp.media.view.MediaFrame
			 * @instance
			 *
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			/**
			 * @function attach
			 * @memberOf wp.media.view.MediaFrame
			 * @instance
			 *
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			/**
			 * @function detach
			 * @memberOf wp.media.view.MediaFrame
			 * @instance
			 *
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			/**
			 * @function escape
			 * @memberOf wp.media.view.MediaFrame
			 * @instance
			 *
			 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
			 */
			MediaFrame.prototype[ method ] = function() {
				if ( this.modal ) {
					this.modal[ method ].apply( this.modal, arguments );
				}
				return this;
			};
		});

		return MediaFrame;

		};
		return mediaFrame;
	}

	var select$1;
	var hasRequiredSelect$1;

	function requireSelect$1 () {
		if (hasRequiredSelect$1) return select$1;
		hasRequiredSelect$1 = 1;
		select$1 = function() { // ClassicPress: defer loading via require()

		var MediaFrame = wp.media.view.MediaFrame,
			l10n = wp.media.view.l10n,
			Select;

		/**
		 * wp.media.view.MediaFrame.Select
		 *
		 * A frame for selecting an item or items from the media library.
		 *
		 * @memberOf wp.media.view.MediaFrame
		 *
		 * @class
		 * @augments wp.media.view.MediaFrame
		 * @augments wp.media.view.Frame
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 * @mixes wp.media.controller.StateMachine
		 */
		Select = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Select.prototype */{
			initialize: function() {
				// Call 'initialize' directly on the parent class.
				MediaFrame.prototype.initialize.apply( this, arguments );

				_.defaults( this.options, {
					selection: [],
					library:   {},
					multiple:  false,
					state:    'library'
				});

				this.createSelection();
				this.createStates();
				this.bindHandlers();
			},

			/**
			 * Attach a selection collection to the frame.
			 *
			 * A selection is a collection of attachments used for a specific purpose
			 * by a media frame. e.g. Selecting an attachment (or many) to insert into
			 * post content.
			 *
			 * @see media.model.Selection
			 */
			createSelection: function() {
				var selection = this.options.selection;

				if ( ! (selection instanceof wp.media.model.Selection) ) {
					this.options.selection = new wp.media.model.Selection( selection, {
						multiple: this.options.multiple
					});
				}

				this._selection = {
					attachments: new wp.media.model.Attachments(),
					difference: []
				};
			},

			editImageContent: function() {
				var image = this.state().get('image'),
					view = new wp.media.view.EditImage( { model: image, controller: this } ).render();

				this.content.set( view );

				// After creating the wrapper view, load the actual editor via an Ajax call.
				view.loadEditor();
			},

			/**
			 * Create the default states on the frame.
			 */
			createStates: function() {
				var options = this.options;

				if ( this.options.states ) {
					return;
				}

				// Add the default states.
				this.states.add([
					// Main states.
					new wp.media.controller.Library({
						library:   wp.media.query( options.library ),
						multiple:  options.multiple,
						title:     options.title,
						priority:  20
					}),
					new wp.media.controller.EditImage( { model: options.editImage } )
				]);
			},

			/**
			 * Bind region mode event callbacks.
			 *
			 * @see media.controller.Region.render
			 */
			bindHandlers: function() {
				this.on( 'router:create:browse', this.createRouter, this );
				this.on( 'router:render:browse', this.browseRouter, this );
				this.on( 'content:create:browse', this.browseContent, this );
				this.on( 'content:render:upload', this.uploadContent, this );
				this.on( 'toolbar:create:select', this.createSelectToolbar, this );
				this.on( 'content:render:edit-image', this.editImageContent, this );
			},

			/**
			 * Render callback for the router region in the `browse` mode.
			 *
			 * @param {wp.media.view.Router} routerView
			 */
			browseRouter: function( routerView ) {
				routerView.set({
					upload: {
						text:     l10n.uploadFilesTitle,
						priority: 20
					},
					browse: {
						text:     l10n.mediaLibraryTitle,
						priority: 40
					}
				});
			},

			/**
			 * Render callback for the content region in the `browse` mode.
			 *
			 * @param {wp.media.controller.Region} contentRegion
			 */
			browseContent: function( contentRegion ) {
				var state = this.state();

				this.$el.removeClass('hide-toolbar');

				// Browse our library of attachments.
				contentRegion.view = new wp.media.view.AttachmentsBrowser({
					controller: this,
					collection: state.get('library'),
					selection:  state.get('selection'),
					model:      state,
					sortable:   state.get('sortable'),
					search:     state.get('searchable'),
					filters:    state.get('filterable'),
					date:       state.get('date'),
					display:    state.has('display') ? state.get('display') : state.get('displaySettings'),
					dragInfo:   state.get('dragInfo'),

					idealColumnWidth: state.get('idealColumnWidth'),
					suggestedWidth:   state.get('suggestedWidth'),
					suggestedHeight:  state.get('suggestedHeight'),

					AttachmentView: state.get('AttachmentView')
				});
			},

			/**
			 * Render callback for the content region in the `upload` mode.
			 */
			uploadContent: function() {
				this.$el.removeClass( 'hide-toolbar' );
				this.content.set( new wp.media.view.UploaderInline({
					controller: this
				}) );
			},

			/**
			 * Toolbars
			 *
			 * @param {Object} toolbar
			 * @param {Object} [options={}]
			 * @this wp.media.controller.Region
			 */
			createSelectToolbar: function( toolbar, options ) {
				options = options || this.options.button || {};
				options.controller = this;

				toolbar.view = new wp.media.view.Toolbar.Select( options );
			}
		});

		return Select;

		};
		return select$1;
	}

	var post;
	var hasRequiredPost;

	function requirePost () {
		if (hasRequiredPost) return post;
		hasRequiredPost = 1;
		post = function() { // ClassicPress: defer loading via require()

		var Select = wp.media.view.MediaFrame.Select,
			Library = wp.media.controller.Library,
			l10n = wp.media.view.l10n,
			Post;

		/**
		 * wp.media.view.MediaFrame.Post
		 *
		 * The frame for manipulating media on the Edit Post page.
		 *
		 * @memberOf wp.media.view.MediaFrame
		 *
		 * @class
		 * @augments wp.media.view.MediaFrame.Select
		 * @augments wp.media.view.MediaFrame
		 * @augments wp.media.view.Frame
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 * @mixes wp.media.controller.StateMachine
		 */
		Post = Select.extend(/** @lends wp.media.view.MediaFrame.Post.prototype */{
			initialize: function() {
				this.counts = {
					audio: {
						count: wp.media.view.settings.attachmentCounts.audio,
						state: 'playlist'
					},
					video: {
						count: wp.media.view.settings.attachmentCounts.video,
						state: 'video-playlist'
					}
				};

				_.defaults( this.options, {
					multiple:  true,
					editing:   false,
					state:    'insert',
					metadata:  {}
				});

				// Call 'initialize' directly on the parent class.
				Select.prototype.initialize.apply( this, arguments );
				this.createIframeStates();

			},

			/**
			 * Create the default states.
			 */
			createStates: function() {
				var options = this.options;

				this.states.add([
					// Main states.
					new Library({
						id:         'insert',
						title:      l10n.insertMediaTitle,
						priority:   20,
						toolbar:    'main-insert',
						filterable: 'all',
						library:    wp.media.query( options.library ),
						multiple:   options.multiple ? 'reset' : false,
						editable:   true,

						// If the user isn't allowed to edit fields,
						// can they still edit it locally?
						allowLocalEdits: true,

						// Show the attachment display settings.
						displaySettings: true,
						// Update user settings when users adjust the
						// attachment display settings.
						displayUserSettings: true
					}),

					new Library({
						id:         'gallery',
						title:      l10n.createGalleryTitle,
						priority:   40,
						toolbar:    'main-gallery',
						filterable: 'uploaded',
						multiple:   'add',
						editable:   false,

						library:  wp.media.query( _.defaults({
							type: 'image'
						}, options.library ) )
					}),

					// Embed states.
					new wp.media.controller.Embed( { metadata: options.metadata } ),

					new wp.media.controller.EditImage( { model: options.editImage } ),

					// Gallery states.
					new wp.media.controller.GalleryEdit({
						library: options.selection,
						editing: options.editing,
						menu:    'gallery'
					}),

					new wp.media.controller.GalleryAdd(),

					new Library({
						id:         'playlist',
						title:      l10n.createPlaylistTitle,
						priority:   60,
						toolbar:    'main-playlist',
						filterable: 'uploaded',
						multiple:   'add',
						editable:   false,

						library:  wp.media.query( _.defaults({
							type: 'audio'
						}, options.library ) )
					}),

					// Playlist states.
					new wp.media.controller.CollectionEdit({
						type: 'audio',
						collectionType: 'playlist',
						title:          l10n.editPlaylistTitle,
						SettingsView:   wp.media.view.Settings.Playlist,
						library:        options.selection,
						editing:        options.editing,
						menu:           'playlist',
						dragInfoText:   l10n.playlistDragInfo,
						dragInfo:       false
					}),

					new wp.media.controller.CollectionAdd({
						type: 'audio',
						collectionType: 'playlist',
						title: l10n.addToPlaylistTitle
					}),

					new Library({
						id:         'video-playlist',
						title:      l10n.createVideoPlaylistTitle,
						priority:   60,
						toolbar:    'main-video-playlist',
						filterable: 'uploaded',
						multiple:   'add',
						editable:   false,

						library:  wp.media.query( _.defaults({
							type: 'video'
						}, options.library ) )
					}),

					new wp.media.controller.CollectionEdit({
						type: 'video',
						collectionType: 'playlist',
						title:          l10n.editVideoPlaylistTitle,
						SettingsView:   wp.media.view.Settings.Playlist,
						library:        options.selection,
						editing:        options.editing,
						menu:           'video-playlist',
						dragInfoText:   l10n.videoPlaylistDragInfo,
						dragInfo:       false
					}),

					new wp.media.controller.CollectionAdd({
						type: 'video',
						collectionType: 'playlist',
						title: l10n.addToVideoPlaylistTitle
					})
				]);

				if ( wp.media.view.settings.post.featuredImageId ) {
					this.states.add( new wp.media.controller.FeaturedImage() );
				}
			},

			bindHandlers: function() {
				var handlers, checkCounts;

				Select.prototype.bindHandlers.apply( this, arguments );

				this.on( 'activate', this.activate, this );

				// Only bother checking media type counts if one of the counts is zero.
				checkCounts = _.find( this.counts, function( type ) {
					return type.count === 0;
				} );

				if ( typeof checkCounts !== 'undefined' ) {
					this.listenTo( wp.media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
				}

				this.on( 'menu:create:gallery', this.createMenu, this );
				this.on( 'menu:create:playlist', this.createMenu, this );
				this.on( 'menu:create:video-playlist', this.createMenu, this );
				this.on( 'toolbar:create:main-insert', this.createToolbar, this );
				this.on( 'toolbar:create:main-gallery', this.createToolbar, this );
				this.on( 'toolbar:create:main-playlist', this.createToolbar, this );
				this.on( 'toolbar:create:main-video-playlist', this.createToolbar, this );
				this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
				this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );

				handlers = {
					menu: {
						'default': 'mainMenu',
						'gallery': 'galleryMenu',
						'playlist': 'playlistMenu',
						'video-playlist': 'videoPlaylistMenu'
					},

					content: {
						'embed':          'embedContent',
						'edit-image':     'editImageContent',
						'edit-selection': 'editSelectionContent'
					},

					toolbar: {
						'main-insert':      'mainInsertToolbar',
						'main-gallery':     'mainGalleryToolbar',
						'gallery-edit':     'galleryEditToolbar',
						'gallery-add':      'galleryAddToolbar',
						'main-playlist':	'mainPlaylistToolbar',
						'playlist-edit':	'playlistEditToolbar',
						'playlist-add':		'playlistAddToolbar',
						'main-video-playlist': 'mainVideoPlaylistToolbar',
						'video-playlist-edit': 'videoPlaylistEditToolbar',
						'video-playlist-add': 'videoPlaylistAddToolbar'
					}
				};

				_.each( handlers, function( regionHandlers, region ) {
					_.each( regionHandlers, function( callback, handler ) {
						this.on( region + ':render:' + handler, this[ callback ], this );
					}, this );
				}, this );
			},

			activate: function() {
				// Hide menu items for states tied to particular media types if there are no items.
				_.each( this.counts, function( type ) {
					if ( type.count < 1 ) {
						this.menuItemVisibility( type.state, 'hide' );
					}
				}, this );
			},

			mediaTypeCounts: function( model, attr ) {
				if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
					this.counts[ attr ].count++;
					this.menuItemVisibility( this.counts[ attr ].state, 'show' );
				}
			},

			// Menus.
			/**
			 * @param {wp.Backbone.View} view
			 */
			mainMenu: function( view ) {
				view.set({
					'library-separator': new wp.media.View({
						className:  'separator',
						priority:   100,
						attributes: {
							role: 'presentation'
						}
					})
				});
			},

			menuItemVisibility: function( state, visibility ) {
				var menu = this.menu.get();
				if ( visibility === 'hide' ) {
					menu.hide( state );
				} else if ( visibility === 'show' ) {
					menu.show( state );
				}
			},
			/**
			 * @param {wp.Backbone.View} view
			 */
			galleryMenu: function( view ) {
				var lastState = this.lastState(),
					previous = lastState && lastState.id,
					frame = this;

				view.set({
					cancel: {
						text:     l10n.cancelGalleryTitle,
						priority: 20,
						click:    function() {
							if ( previous ) {
								frame.setState( previous );
							} else {
								frame.close();
							}

							// Move focus to the modal after canceling a Gallery.
							this.controller.modal.focusManager.focus();
						}
					},
					separateCancel: new wp.media.View({
						className: 'separator',
						priority: 40
					})
				});
			},

			playlistMenu: function( view ) {
				var lastState = this.lastState(),
					previous = lastState && lastState.id,
					frame = this;

				view.set({
					cancel: {
						text:     l10n.cancelPlaylistTitle,
						priority: 20,
						click:    function() {
							if ( previous ) {
								frame.setState( previous );
							} else {
								frame.close();
							}

							// Move focus to the modal after canceling an Audio Playlist.
							this.controller.modal.focusManager.focus();
						}
					},
					separateCancel: new wp.media.View({
						className: 'separator',
						priority: 40
					})
				});
			},

			videoPlaylistMenu: function( view ) {
				var lastState = this.lastState(),
					previous = lastState && lastState.id,
					frame = this;

				view.set({
					cancel: {
						text:     l10n.cancelVideoPlaylistTitle,
						priority: 20,
						click:    function() {
							if ( previous ) {
								frame.setState( previous );
							} else {
								frame.close();
							}

							// Move focus to the modal after canceling a Video Playlist.
							this.controller.modal.focusManager.focus();
						}
					},
					separateCancel: new wp.media.View({
						className: 'separator',
						priority: 40
					})
				});
			},

			// Content.
			embedContent: function() {
				var view = new wp.media.view.Embed({
					controller: this,
					model:      this.state()
				}).render();

				this.content.set( view );
			},

			editSelectionContent: function() {
				var state = this.state(),
					selection = state.get('selection'),
					view;

				view = new wp.media.view.AttachmentsBrowser({
					controller: this,
					collection: selection,
					selection:  selection,
					model:      state,
					sortable:   true,
					search:     false,
					date:       false,
					dragInfo:   true,

					AttachmentView: wp.media.view.Attachments.EditSelection
				}).render();

				view.toolbar.set( 'backToLibrary', {
					text:     l10n.returnToLibrary,
					priority: -100,

					click: function() {
						this.controller.content.mode('browse');
						// Move focus to the modal when jumping back from Edit Selection to Add Media view.
						this.controller.modal.focusManager.focus();
					}
				});

				// Browse our library of attachments.
				this.content.set( view );

				// Trigger the controller to set focus.
				this.trigger( 'edit:selection', this );
			},

			editImageContent: function() {
				var image = this.state().get('image'),
					view = new wp.media.view.EditImage( { model: image, controller: this } ).render();

				this.content.set( view );

				// After creating the wrapper view, load the actual editor via an Ajax call.
				view.loadEditor();

			},

			// Toolbars.

			/**
			 * @param {wp.Backbone.View} view
			 */
			selectionStatusToolbar: function( view ) {
				var editable = this.state().get('editable');

				view.set( 'selection', new wp.media.view.Selection({
					controller: this,
					collection: this.state().get('selection'),
					priority:   -40,

					// If the selection is editable, pass the callback to
					// switch the content mode.
					editable: editable && function() {
						this.controller.content.mode('edit-selection');
					}
				}).render() );
			},

			/**
			 * @param {wp.Backbone.View} view
			 */
			mainInsertToolbar: function( view ) {
				var controller = this;

				this.selectionStatusToolbar( view );

				view.set( 'insert', {
					style:    'primary',
					priority: 80,
					text:     l10n.insertIntoPost,
					requires: { selection: true },

					/**
					 * @ignore
					 *
					 * @fires wp.media.controller.State#insert
					 */
					click: function() {
						var state = controller.state(),
							selection = state.get('selection');

						controller.close();
						state.trigger( 'insert', selection ).reset();
					}
				});
			},

			/**
			 * @param {wp.Backbone.View} view
			 */
			mainGalleryToolbar: function( view ) {
				var controller = this;

				this.selectionStatusToolbar( view );

				view.set( 'gallery', {
					style:    'primary',
					text:     l10n.createNewGallery,
					priority: 60,
					requires: { selection: true },

					click: function() {
						var selection = controller.state().get('selection'),
							edit = controller.state('gallery-edit'),
							models = selection.where({ type: 'image' });

						edit.set( 'library', new wp.media.model.Selection( models, {
							props:    selection.props.toJSON(),
							multiple: true
						}) );

						// Jump to Edit Gallery view.
						this.controller.setState( 'gallery-edit' );

						// Move focus to the modal after jumping to Edit Gallery view.
						this.controller.modal.focusManager.focus();
					}
				});
			},

			mainPlaylistToolbar: function( view ) {
				var controller = this;

				this.selectionStatusToolbar( view );

				view.set( 'playlist', {
					style:    'primary',
					text:     l10n.createNewPlaylist,
					priority: 100,
					requires: { selection: true },

					click: function() {
						var selection = controller.state().get('selection'),
							edit = controller.state('playlist-edit'),
							models = selection.where({ type: 'audio' });

						edit.set( 'library', new wp.media.model.Selection( models, {
							props:    selection.props.toJSON(),
							multiple: true
						}) );

						// Jump to Edit Audio Playlist view.
						this.controller.setState( 'playlist-edit' );

						// Move focus to the modal after jumping to Edit Audio Playlist view.
						this.controller.modal.focusManager.focus();
					}
				});
			},

			mainVideoPlaylistToolbar: function( view ) {
				var controller = this;

				this.selectionStatusToolbar( view );

				view.set( 'video-playlist', {
					style:    'primary',
					text:     l10n.createNewVideoPlaylist,
					priority: 100,
					requires: { selection: true },

					click: function() {
						var selection = controller.state().get('selection'),
							edit = controller.state('video-playlist-edit'),
							models = selection.where({ type: 'video' });

						edit.set( 'library', new wp.media.model.Selection( models, {
							props:    selection.props.toJSON(),
							multiple: true
						}) );

						// Jump to Edit Video Playlist view.
						this.controller.setState( 'video-playlist-edit' );

						// Move focus to the modal after jumping to Edit Video Playlist view.
						this.controller.modal.focusManager.focus();
					}
				});
			},

			featuredImageToolbar: function( toolbar ) {
				this.createSelectToolbar( toolbar, {
					text:  l10n.setFeaturedImage,
					state: this.options.state
				});
			},

			mainEmbedToolbar: function( toolbar ) {
				toolbar.view = new wp.media.view.Toolbar.Embed({
					controller: this
				});
			},

			galleryEditToolbar: function() {
				var editing = this.state().get('editing');
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     editing ? l10n.updateGallery : l10n.insertGallery,
							priority: 80,
							requires: { library: true },

							/**
							 * @fires wp.media.controller.State#update
							 */
							click: function() {
								var controller = this.controller,
									state = controller.state();

								controller.close();
								state.trigger( 'update', state.get('library') );

								// Restore and reset the default state.
								controller.setState( controller.options.state );
								controller.reset();
							}
						}
					}
				}) );
			},

			galleryAddToolbar: function() {
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     l10n.addToGallery,
							priority: 80,
							requires: { selection: true },

							/**
							 * @fires wp.media.controller.State#reset
							 */
							click: function() {
								var controller = this.controller,
									state = controller.state(),
									edit = controller.state('gallery-edit');

								edit.get('library').add( state.get('selection').models );
								state.trigger('reset');
								controller.setState('gallery-edit');
								// Move focus to the modal when jumping back from Add to Gallery to Edit Gallery view.
								this.controller.modal.focusManager.focus();
							}
						}
					}
				}) );
			},

			playlistEditToolbar: function() {
				var editing = this.state().get('editing');
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     editing ? l10n.updatePlaylist : l10n.insertPlaylist,
							priority: 80,
							requires: { library: true },

							/**
							 * @fires wp.media.controller.State#update
							 */
							click: function() {
								var controller = this.controller,
									state = controller.state();

								controller.close();
								state.trigger( 'update', state.get('library') );

								// Restore and reset the default state.
								controller.setState( controller.options.state );
								controller.reset();
							}
						}
					}
				}) );
			},

			playlistAddToolbar: function() {
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     l10n.addToPlaylist,
							priority: 80,
							requires: { selection: true },

							/**
							 * @fires wp.media.controller.State#reset
							 */
							click: function() {
								var controller = this.controller,
									state = controller.state(),
									edit = controller.state('playlist-edit');

								edit.get('library').add( state.get('selection').models );
								state.trigger('reset');
								controller.setState('playlist-edit');
								// Move focus to the modal when jumping back from Add to Audio Playlist to Edit Audio Playlist view.
								this.controller.modal.focusManager.focus();
							}
						}
					}
				}) );
			},

			videoPlaylistEditToolbar: function() {
				var editing = this.state().get('editing');
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     editing ? l10n.updateVideoPlaylist : l10n.insertVideoPlaylist,
							priority: 140,
							requires: { library: true },

							click: function() {
								var controller = this.controller,
									state = controller.state(),
									library = state.get('library');

								library.type = 'video';

								controller.close();
								state.trigger( 'update', library );

								// Restore and reset the default state.
								controller.setState( controller.options.state );
								controller.reset();
							}
						}
					}
				}) );
			},

			videoPlaylistAddToolbar: function() {
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						insert: {
							style:    'primary',
							text:     l10n.addToVideoPlaylist,
							priority: 140,
							requires: { selection: true },

							click: function() {
								var controller = this.controller,
									state = controller.state(),
									edit = controller.state('video-playlist-edit');

								edit.get('library').add( state.get('selection').models );
								state.trigger('reset');
								controller.setState('video-playlist-edit');
								// Move focus to the modal when jumping back from Add to Video Playlist to Edit Video Playlist view.
								this.controller.modal.focusManager.focus();
							}
						}
					}
				}) );
			}
		});

		return Post;

		};
		return post;
	}

	var imageDetails$1;
	var hasRequiredImageDetails$1;

	function requireImageDetails$1 () {
		if (hasRequiredImageDetails$1) return imageDetails$1;
		hasRequiredImageDetails$1 = 1;
		imageDetails$1 = function() { // ClassicPress: defer loading via require()

		var Select = wp.media.view.MediaFrame.Select,
			l10n = wp.media.view.l10n,
			ImageDetails;

		/**
		 * wp.media.view.MediaFrame.ImageDetails
		 *
		 * A media frame for manipulating an image that's already been inserted
		 * into a post.
		 *
		 * @memberOf wp.media.view.MediaFrame
		 *
		 * @class
		 * @augments wp.media.view.MediaFrame.Select
		 * @augments wp.media.view.MediaFrame
		 * @augments wp.media.view.Frame
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 * @mixes wp.media.controller.StateMachine
		 */
		ImageDetails = Select.extend(/** @lends wp.media.view.MediaFrame.ImageDetails.prototype */{
			defaults: {
				id:      'image',
				url:     '',
				menu:    'image-details',
				content: 'image-details',
				toolbar: 'image-details',
				type:    'link',
				title:    l10n.imageDetailsTitle,
				priority: 120
			},

			initialize: function( options ) {
				this.image = new wp.media.model.PostImage( options.metadata );
				this.options.selection = new wp.media.model.Selection( this.image.attachment, { multiple: false } );
				Select.prototype.initialize.apply( this, arguments );
			},

			bindHandlers: function() {
				Select.prototype.bindHandlers.apply( this, arguments );
				this.on( 'menu:create:image-details', this.createMenu, this );
				this.on( 'content:create:image-details', this.imageDetailsContent, this );
				this.on( 'content:render:edit-image', this.editImageContent, this );
				this.on( 'toolbar:render:image-details', this.renderImageDetailsToolbar, this );
				// Override the select toolbar.
				this.on( 'toolbar:render:replace', this.renderReplaceImageToolbar, this );
			},

			createStates: function() {
				this.states.add([
					new wp.media.controller.ImageDetails({
						image: this.image,
						editable: false
					}),
					new wp.media.controller.ReplaceImage({
						id: 'replace-image',
						library: wp.media.query( { type: 'image' } ),
						image: this.image,
						multiple:  false,
						title:     l10n.imageReplaceTitle,
						toolbar: 'replace',
						priority:  80,
						displaySettings: true
					}),
					new wp.media.controller.EditImage( {
						image: this.image,
						selection: this.options.selection
					} )
				]);
			},

			imageDetailsContent: function( options ) {
				options.view = new wp.media.view.ImageDetails({
					controller: this,
					model: this.state().image,
					attachment: this.state().image.attachment
				});
			},

			editImageContent: function() {
				var state = this.state(),
					model = state.get('image'),
					view;

				if ( ! model ) {
					return;
				}

				view = new wp.media.view.EditImage( { model: model, controller: this } ).render();

				this.content.set( view );

				// After bringing in the frame, load the actual editor via an Ajax call.
				view.loadEditor();

			},

			renderImageDetailsToolbar: function() {
				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						select: {
							style:    'primary',
							text:     l10n.update,
							priority: 80,

							click: function() {
								var controller = this.controller,
									state = controller.state();

								controller.close();

								// Not sure if we want to use wp.media.string.image which will create a shortcode or
								// perhaps wp.html.string to at least to build the <img />.
								state.trigger( 'update', controller.image.toJSON() );

								// Restore and reset the default state.
								controller.setState( controller.options.state );
								controller.reset();
							}
						}
					}
				}) );
			},

			renderReplaceImageToolbar: function() {
				var frame = this,
					lastState = frame.lastState(),
					previous = lastState && lastState.id;

				this.toolbar.set( new wp.media.view.Toolbar({
					controller: this,
					items: {
						back: {
							text:     l10n.back,
							priority: 80,
							click:    function() {
								if ( previous ) {
									frame.setState( previous );
								} else {
									frame.close();
								}
							}
						},

						replace: {
							style:    'primary',
							text:     l10n.replace,
							priority: 20,
							requires: { selection: true },

							click: function() {
								var controller = this.controller,
									state = controller.state(),
									selection = state.get( 'selection' ),
									attachment = selection.single();

								controller.close();

								controller.image.changeAttachment( attachment, state.display( attachment ) );

								// Not sure if we want to use wp.media.string.image which will create a shortcode or
								// perhaps wp.html.string to at least to build the <img />.
								state.trigger( 'replace', controller.image.toJSON() );

								// Restore and reset the default state.
								controller.setState( controller.options.state );
								controller.reset();
							}
						}
					}
				}) );
			}

		});

		return ImageDetails;

		};
		return imageDetails$1;
	}

	var modal;
	var hasRequiredModal;

	function requireModal () {
		if (hasRequiredModal) return modal;
		hasRequiredModal = 1;
		modal = function() { // ClassicPress: defer loading via require()

		var $ = jQuery,
			Modal;

		/**
		 * wp.media.view.Modal
		 *
		 * A modal view, which the media modal uses as its default container.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
			tagName:  'div',
			template: wp.template('media-modal'),

			events: {
				'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
				'keydown': 'keydown'
			},

			clickedOpenerEl: null,

			initialize: function() {
				_.defaults( this.options, {
					container:      document.body,
					title:          '',
					propagate:      true,
					hasCloseButton: true
				});

				this.focusManager = new wp.media.view.FocusManager({
					el: this.el
				});
			},
			/**
			 * @return {Object}
			 */
			prepare: function() {
				return {
					title:          this.options.title,
					hasCloseButton: this.options.hasCloseButton
				};
			},

			/**
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			attach: function() {
				if ( this.views.attached ) {
					return this;
				}

				if ( ! this.views.rendered ) {
					this.render();
				}

				this.$el.appendTo( this.options.container );

				// Manually mark the view as attached and trigger ready.
				this.views.attached = true;
				this.views.ready();

				return this.propagate('attach');
			},

			/**
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			detach: function() {
				if ( this.$el.is(':visible') ) {
					this.close();
				}

				this.$el.detach();
				this.views.attached = false;
				return this.propagate('detach');
			},

			/**
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			open: function() {
				var $el = this.$el,
					mceEditor;

				if ( $el.is(':visible') ) {
					return this;
				}

				this.clickedOpenerEl = document.activeElement;

				if ( ! this.views.attached ) {
					this.attach();
				}

				// Disable page scrolling.
				$( 'body' ).addClass( 'modal-open' );

				$el.show();

				// Try to close the onscreen keyboard.
				if ( 'ontouchend' in document ) {
					if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
						mceEditor.iframeElement.focus();
						mceEditor.iframeElement.blur();

						setTimeout( function() {
							mceEditor.iframeElement.blur();
						}, 100 );
					}
				}

				// Set initial focus on the content instead of this view element, to avoid page scrolling.
				this.$( '.media-modal' ).trigger( 'focus' );

				// Hide the page content from assistive technologies.
				this.focusManager.setAriaHiddenOnBodyChildren( $el );

				return this.propagate('open');
			},

			/**
			 * @param {Object} options
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			close: function( options ) {
				if ( ! this.views.attached || ! this.$el.is(':visible') ) {
					return this;
				}

				// Pause current audio/video even after closing the modal.
				$( '.mejs-pause button' ).trigger( 'click' );

				// Enable page scrolling.
				$( 'body' ).removeClass( 'modal-open' );

				// Hide the modal element by adding display:none.
				this.$el.hide();

				/*
				 * Make visible again to assistive technologies all body children that
				 * have been made hidden when the modal opened.
				 */
				this.focusManager.removeAriaHiddenFromBodyChildren();

				// Move focus back in useful location once modal is closed.
				if ( null !== this.clickedOpenerEl ) {
					// Move focus back to the element that opened the modal.
					this.clickedOpenerEl.focus();
				} else {
					// Fallback to the admin page main element.
					$( '#wpbody-content' )
						.attr( 'tabindex', '-1' )
						.trigger( 'focus' );
				}

				this.propagate('close');

				if ( options && options.escape ) {
					this.propagate('escape');
				}

				return this;
			},
			/**
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			escape: function() {
				return this.close({ escape: true });
			},
			/**
			 * @param {Object} event
			 */
			escapeHandler: function( event ) {
				event.preventDefault();
				this.escape();
			},

			/**
			 * @param {Array|Object} content Views to register to '.media-modal-content'
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			content: function( content ) {
				this.views.set( '.media-modal-content', content );
				return this;
			},

			/**
			 * Triggers a modal event and if the `propagate` option is set,
			 * forwards events to the modal's controller.
			 *
			 * @param {string} id
			 * @return {wp.media.view.Modal} Returns itself to allow chaining.
			 */
			propagate: function( id ) {
				this.trigger( id );

				if ( this.options.propagate ) {
					this.controller.trigger( id );
				}

				return this;
			},
			/**
			 * @param {Object} event
			 */
			keydown: function( event ) {
				// Close the modal when escape is pressed.
				if ( 27 === event.which && this.$el.is(':visible') ) {
					this.escape();
					event.stopImmediatePropagation();
				}
			}
		});

		return Modal;

		};
		return modal;
	}

	var focusManager;
	var hasRequiredFocusManager;

	function requireFocusManager () {
		if (hasRequiredFocusManager) return focusManager;
		hasRequiredFocusManager = 1;
		focusManager = function() { // ClassicPress: defer loading via require()

		var $ = jQuery;

		/**
		 * wp.media.view.FocusManager
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var FocusManager = wp.media.View.extend(/** @lends wp.media.view.FocusManager.prototype */{

			events: {
				'keydown': 'focusManagementMode'
			},

			/**
			 * Initializes the Focus Manager.
			 *
			 * @param {Object} options The Focus Manager options.
			 *
			 * @since 5.3.0
			 *
			 * @return {void}
			 */
			initialize: function( options ) {
				this.mode                    = options.mode || 'constrainTabbing';
				this.tabsAutomaticActivation = options.tabsAutomaticActivation || false;
			},

		 	/**
			 * Determines which focus management mode to use.
			 *
			 * @since 5.3.0
			 *
			 * @param {Object} event jQuery event object.
			 *
			 * @return {void}
			 */
			focusManagementMode: function( event ) {
				if ( this.mode === 'constrainTabbing' ) {
					this.constrainTabbing( event );
				}

				if ( this.mode === 'tabsNavigation' ) {
					this.tabsNavigation( event );
				}
			},

			/**
			 * Gets all the tabbable elements.
			 *
			 * @since CP-2.1.0
			 *
			 * @return {Array} A JavaScript array of tabbable elements.
			 */
			getTabbables: function() {
				var that = this,
					newTabbables = [],
					tabbables = [ ...this.$el[0].querySelectorAll( 'a[href], button, textarea, select, li[tabindex]' ) ];

				tabbables.forEach( function( tabbable ) {
					if ( tabbable.tagName === 'input' && tabbable.parentNode.className.includes( 'moxie-shim' ) && tabbable.type === 'file' ) {
						return; // Skip the file input added by Plupload.
					} else if ( ! that.isVisible( tabbable ) || tabbable.disabled ) {
						return;
					}
					newTabbables.push( tabbable );
				} );
				return newTabbables;
			},

			/**
			 * Moves focus to the modal dialog.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			focus: function() {
				document.querySelector( '.media-modal' ).focus();
			},

			/**
			 * Constrains navigation with the Tab key within the media view element.
			 *
			 * @since CP-2.1.0
			 *
			 * @param {Object} event A keydown JavaScript event.
			 *
			 * @return {void}
			 */
			constrainTabbing: function( event ) {
				var tabbables;

				// Look for the tab key.
				if ( 'Tab' !== event.key ) {
					return;
				}

				tabbables = this.getTabbables();

				// Keep tab focus within media modal while it's open.
				if ( tabbables.at(-1) === event.target && ! event.shiftKey ) {
					event.preventDefault();
					tabbables[0].focus();
				} else if ( tabbables[0] === event.target && event.shiftKey ) {
					event.preventDefault();
					tabbables.at(-1).focus();
				}
			},

			/**
			 * Hides from assistive technologies all the body children.
			 *
			 * Sets an `aria-hidden="true"` attribute on all the body children except
			 * the provided element and other elements that should not be hidden.
			 *
			 * The reason why we use `aria-hidden` is that `aria-modal="true"` is buggy
			 * in Safari 11.1 and support is spotty in other browsers. Also, `aria-modal="true"`
			 * prevents the `wp.a11y.speak()` ARIA live regions to work as they're outside
			 * of the modal dialog and get hidden from assistive technologies.
			 *
			 * @since 5.2.3
			 *
			 * @param {Object} visibleElement The jQuery object representing the element that should not be hidden.
			 *
			 * @return {void}
			 */
			setAriaHiddenOnBodyChildren: function( visibleElement ) {
				var bodyChildren,
					self = this;

				if ( this.isBodyAriaHidden ) {
					return;
				}

				// Get all the body children.
				bodyChildren = document.body.children;

				// Loop through the body children and hide the ones that should be hidden.
				_.each( bodyChildren, function( element ) {
					// Don't hide the modal element.
					if ( element === visibleElement[0] ) {
						return;
					}

					// Determine the body children to hide.
					if ( self.elementShouldBeHidden( element ) ) {
						element.setAttribute( 'aria-hidden', 'true' );
						// Store the hidden elements.
						self.ariaHiddenElements.push( element );
					}
				} );

				this.isBodyAriaHidden = true;
			},

			/**
			 * Unhides from assistive technologies all the body children.
			 *
			 * Makes visible again to assistive technologies all the body children
			 * previously hidden and stored in this.ariaHiddenElements.
			 *
			 * @since 5.2.3
			 *
			 * @return {void}
			 */
			removeAriaHiddenFromBodyChildren: function() {
				_.each( this.ariaHiddenElements, function( element ) {
					element.removeAttribute( 'aria-hidden' );
				} );

				this.ariaHiddenElements = [];
				this.isBodyAriaHidden   = false;
			},

			/**
			 * Determines if the passed element should not be hidden from assistive technologies.
			 *
			 * @since 5.2.3
			 *
			 * @param {Object} element The DOM element that should be checked.
			 *
			 * @return {boolean} Whether the element should not be hidden from assistive technologies.
			 */
			elementShouldBeHidden: function( element ) {
				var role = element.getAttribute( 'role' ),
					liveRegionsRoles = [ 'alert', 'status', 'log', 'marquee', 'timer' ];

				/*
				 * Don't hide scripts, elements that already have `aria-hidden`, and
				 * ARIA live regions.
				 */
				return ! (
					element.tagName === 'SCRIPT' ||
					element.hasAttribute( 'aria-hidden' ) ||
					element.hasAttribute( 'aria-live' ) ||
					liveRegionsRoles.indexOf( role ) !== -1
				);
			},

			/**
			 * Whether the body children are hidden from assistive technologies.
			 *
			 * @since 5.2.3
			 */
			isBodyAriaHidden: false,

			/**
			 * Stores an array of DOM elements that should be hidden from assistive
			 * technologies, for example when the media modal dialog opens.
			 *
			 * @since 5.2.3
			 */
			ariaHiddenElements: [],

			/**
			 * Holds the jQuery collection of ARIA tabs.
			 *
			 * @since 5.3.0
			 */
			tabs: $(),

			/**
			 * Sets up tabs in an ARIA tabbed interface.
			 *
			 * @since 5.3.0
			 *
			 * @param {Object} event jQuery event object.
			 *
			 * @return {void}
			 */
			setupAriaTabs: function() {
				this.tabs = this.$( '[role="tab"]' );

				// Set up initial attributes.
				this.tabs.attr( {
					'aria-selected': 'false',
					tabIndex: '-1'
				} );

				// Set up attributes on the initially active tab.
				this.tabs.filter( '.active' )
					.removeAttr( 'tabindex' )
					.attr( 'aria-selected', 'true' );
			},

			/**
			 * Enables arrows navigation within the ARIA tabbed interface.
			 *
			 * @since 5.3.0
			 *
			 * @param {Object} event jQuery event object.
			 *
			 * @return {void}
			 */
			tabsNavigation: function( event ) {
				var orientation = 'horizontal',
					keys = [ 32, 35, 36, 37, 38, 39, 40 ];

				// Return if not Spacebar, End, Home, or Arrow keys.
				if ( keys.indexOf( event.which ) === -1 ) {
					return;
				}

				// Determine navigation direction.
				if ( this.$el.attr( 'aria-orientation' ) === 'vertical' ) {
					orientation = 'vertical';
				}

				// Make Up and Down arrow keys do nothing with horizontal tabs.
				if ( orientation === 'horizontal' && [ 38, 40 ].indexOf( event.which ) !== -1 ) {
					return;
				}

				// Make Left and Right arrow keys do nothing with vertical tabs.
				if ( orientation === 'vertical' && [ 37, 39 ].indexOf( event.which ) !== -1 ) {
					return;
				}

				this.switchTabs( event, this.tabs );
			},

			/**
			 * Switches tabs in the ARIA tabbed interface.
			 *
			 * @since 5.3.0
			 *
			 * @param {Object} event jQuery event object.
			 *
			 * @return {void}
			 */
			switchTabs: function( event ) {
				var key   = event.which,
					index = this.tabs.index( $( event.target ) ),
					newIndex;

				switch ( key ) {
					// Space bar: Activate current targeted tab.
					case 32: {
						this.activateTab( this.tabs[ index ] );
						break;
					}
					// End key: Activate last tab.
					case 35: {
						event.preventDefault();
						this.activateTab( this.tabs[ this.tabs.length - 1 ] );
						break;
					}
					// Home key: Activate first tab.
					case 36: {
						event.preventDefault();
						this.activateTab( this.tabs[ 0 ] );
						break;
					}
					// Left and up keys: Activate previous tab.
					case 37:
					case 38: {
						event.preventDefault();
						newIndex = ( index - 1 ) < 0 ? this.tabs.length - 1 : index - 1;
						this.activateTab( this.tabs[ newIndex ] );
						break;
					}
					// Right and down keys: Activate next tab.
					case 39:
					case 40: {
						event.preventDefault();
						newIndex = ( index + 1 ) === this.tabs.length ? 0 : index + 1;
						this.activateTab( this.tabs[ newIndex ] );
						break;
					}
				}
			},

			/**
			 * Sets a single tab to be focusable and semantically selected.
			 *
			 * @since 5.3.0
			 *
			 * @param {Object} tab The tab DOM element.
			 *
			 * @return {void}
			 */
			activateTab: function( tab ) {
				if ( ! tab ) {
					return;
				}

				// The tab is a DOM element: no need for jQuery methods.
				tab.focus();

				// Handle automatic activation.
				if ( this.tabsAutomaticActivation ) {
					tab.removeAttribute( 'tabindex' );
					tab.setAttribute( 'aria-selected', 'true' );
					tab.click();

					return;
				}

				// Handle manual activation.
				$( tab ).on( 'click', function() {
					tab.removeAttribute( 'tabindex' );
					tab.setAttribute( 'aria-selected', 'true' );
				} );
			},

			/**
			 * Whether an element is visible, copied from jQuery
			 *
			 * @since CP-2.1.0
			 *
			 * @param {Object} element The DOM element that should be checked for visibility.
			 *
			 * @return {boolean}
			 */
			isVisible: function( element ) {
				return !!( element.offsetWidth || element.offsetHeight || element.getClientRects().length );
			}
		});

		return FocusManager;

		};
		return focusManager;
	}

	var window$1;
	var hasRequiredWindow;

	function requireWindow () {
		if (hasRequiredWindow) return window$1;
		hasRequiredWindow = 1;
		window$1 = function() { // ClassicPress: defer loading via require()

		var $ = jQuery,
			UploaderWindow;

		/**
		 * wp.media.view.UploaderWindow
		 *
		 * An uploader window that allows for dragging and dropping media.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 *
		 * @param {object} [options]                   Options hash passed to the view.
		 * @param {object} [options.uploader]          Uploader properties.
		 * @param {jQuery} [options.uploader.browser]
		 * @param {jQuery} [options.uploader.dropzone] jQuery collection of the dropzone.
		 * @param {object} [options.uploader.params]
		 */
		UploaderWindow = wp.media.View.extend(/** @lends wp.media.view.UploaderWindow.prototype */{
			tagName:   'div',
			className: 'uploader-window',
			template:  wp.template('uploader-window'),

			initialize: function() {
				var uploader;

				this.$browser = $( '<button type="button" class="browser" />' ).hide().appendTo( 'body' );

				uploader = this.options.uploader = _.defaults( this.options.uploader || {}, {
					dropzone:  this.$el,
					browser:   this.$browser,
					params:    {}
				});

				// Ensure the dropzone is a jQuery collection.
				if ( uploader.dropzone && ! (uploader.dropzone instanceof $) ) {
					uploader.dropzone = $( uploader.dropzone );
				}

				this.controller.on( 'activate', this.refresh, this );

				this.controller.on( 'detach', function() {
					this.$browser.remove();
				}, this );
			},

			refresh: function() {
				if ( this.uploader ) {
					this.uploader.refresh();
				}
			},

			ready: function() {
				var postId = wp.media.view.settings.post.id,
					dropzone;

				// If the uploader already exists, bail.
				if ( this.uploader ) {
					return;
				}

				if ( postId ) {
					this.options.uploader.params.post_id = postId;
				}
				this.uploader = new wp.Uploader( this.options.uploader );

				dropzone = this.uploader.dropzone;
				dropzone.on( 'dropzone:enter', _.bind( this.show, this ) );
				dropzone.on( 'dropzone:leave', _.bind( this.hide, this ) );

				$( this.uploader ).on( 'uploader:ready', _.bind( this._ready, this ) );
			},

			_ready: function() {
				this.controller.trigger( 'uploader:ready' );
			},

			show: function() {
				var $el = this.$el.show();

				// Ensure that the animation is triggered by waiting until
				// the transparent element is painted into the DOM.
				_.defer( function() {
					$el.css({ opacity: 1 });
				});
			},

			hide: function() {
				var $el = this.$el.css({ opacity: 0 });

				wp.media.transition( $el ).done( function() {
					// Transition end events are subject to race conditions.
					// Make sure that the value is set as intended.
					if ( '0' === $el.css('opacity') ) {
						$el.hide();
					}
				});

				// https://core.trac.wordpress.org/ticket/27341
				_.delay( function() {
					if ( '0' === $el.css('opacity') && $el.is(':visible') ) {
						$el.hide();
					}
				}, 500 );
			}
		});

		return UploaderWindow;

		};
		return window$1;
	}

	var editor;
	var hasRequiredEditor;

	function requireEditor () {
		if (hasRequiredEditor) return editor;
		hasRequiredEditor = 1;
		editor = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			EditorUploader;

		/**
		 * Creates a dropzone on WP editor instances (elements with .wp-editor-wrap)
		 * and relays drag'n'dropped files to a media workflow.
		 *
		 * wp.media.view.EditorUploader
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		EditorUploader = View.extend(/** @lends wp.media.view.EditorUploader.prototype */{
			tagName:   'div',
			className: 'uploader-editor',
			template:  wp.template( 'uploader-editor' ),

			localDrag: false,
			overContainer: false,
			overDropzone: false,
			draggingFile: null,

			/**
			 * Bind drag'n'drop events to callbacks.
			 */
			initialize: function() {
				this.initialized = false;

				// Bail if not enabled or UA does not support drag'n'drop or File API.
				if ( ! window.tinyMCEPreInit || ! window.tinyMCEPreInit.dragDropUpload || ! this.browserSupport() ) {
					return this;
				}

				this.$document = $(document);
				this.dropzones = [];
				this.files = [];

				this.$document.on( 'drop', '.uploader-editor', _.bind( this.drop, this ) );
				this.$document.on( 'dragover', '.uploader-editor', _.bind( this.dropzoneDragover, this ) );
				this.$document.on( 'dragleave', '.uploader-editor', _.bind( this.dropzoneDragleave, this ) );
				this.$document.on( 'click', '.uploader-editor', _.bind( this.click, this ) );

				this.$document.on( 'dragover', _.bind( this.containerDragover, this ) );
				this.$document.on( 'dragleave', _.bind( this.containerDragleave, this ) );

				this.$document.on( 'dragstart dragend drop', _.bind( function( event ) {
					this.localDrag = event.type === 'dragstart';

					if ( event.type === 'drop' ) {
						this.containerDragleave();
					}
				}, this ) );

				this.initialized = true;
				return this;
			},

			/**
			 * Check browser support for drag'n'drop.
			 *
			 * @return {boolean}
			 */
			browserSupport: function() {
				var supports = false, div = document.createElement('div');

				supports = ( 'draggable' in div ) || ( 'ondragstart' in div && 'ondrop' in div );
				supports = supports && !! ( window.File && window.FileList && window.FileReader );
				return supports;
			},

			isDraggingFile: function( event ) {
				if ( this.draggingFile !== null ) {
					return this.draggingFile;
				}

				if ( _.isUndefined( event.originalEvent ) || _.isUndefined( event.originalEvent.dataTransfer ) ) {
					return false;
				}

				this.draggingFile = _.indexOf( event.originalEvent.dataTransfer.types, 'Files' ) > -1 &&
					_.indexOf( event.originalEvent.dataTransfer.types, 'text/plain' ) === -1;

				return this.draggingFile;
			},

			refresh: function( e ) {
				var dropzone_id;
				for ( dropzone_id in this.dropzones ) {
					// Hide the dropzones only if dragging has left the screen.
					this.dropzones[ dropzone_id ].toggle( this.overContainer || this.overDropzone );
				}

				if ( ! _.isUndefined( e ) ) {
					$( e.target ).closest( '.uploader-editor' ).toggleClass( 'droppable', this.overDropzone );
				}

				if ( ! this.overContainer && ! this.overDropzone ) {
					this.draggingFile = null;
				}

				return this;
			},

			render: function() {
				if ( ! this.initialized ) {
					return this;
				}

				View.prototype.render.apply( this, arguments );
				$( '.wp-editor-wrap' ).each( _.bind( this.attach, this ) );
				return this;
			},

			attach: function( index, editor ) {
				// Attach a dropzone to an editor.
				var dropzone = this.$el.clone();
				this.dropzones.push( dropzone );
				$( editor ).append( dropzone );
				return this;
			},

			/**
			 * When a file is dropped on the editor uploader, open up an editor media workflow
			 * and upload the file immediately.
			 *
			 * @param {jQuery.Event} event The 'drop' event.
			 */
			drop: function( event ) {
				var $wrap, uploadView;

				this.containerDragleave( event );
				this.dropzoneDragleave( event );

				this.files = event.originalEvent.dataTransfer.files;
				if ( this.files.length < 1 ) {
					return;
				}

				// Set the active editor to the drop target.
				$wrap = $( event.target ).parents( '.wp-editor-wrap' );
				if ( $wrap.length > 0 && $wrap[0].id ) {
					window.wpActiveEditor = $wrap[0].id.slice( 3, -5 );
				}

				if ( ! this.workflow ) {
					this.workflow = wp.media.editor.open( window.wpActiveEditor, {
						frame:    'post',
						state:    'insert',
						title:    l10n.addMedia,
						multiple: true
					});

					uploadView = this.workflow.uploader;

					if ( uploadView.uploader && uploadView.uploader.ready ) {
						this.addFiles.apply( this );
					} else {
						this.workflow.on( 'uploader:ready', this.addFiles, this );
					}
				} else {
					this.workflow.state().reset();
					this.addFiles.apply( this );
					this.workflow.open();
				}

				return false;
			},

			/**
			 * Add the files to the uploader.
			 */
			addFiles: function() {
				if ( this.files.length ) {
					this.workflow.uploader.uploader.uploader.addFile( _.toArray( this.files ) );
					this.files = [];
				}
				return this;
			},

			containerDragover: function( event ) {
				if ( this.localDrag || ! this.isDraggingFile( event ) ) {
					return;
				}

				this.overContainer = true;
				this.refresh();
			},

			containerDragleave: function() {
				this.overContainer = false;

				// Throttle dragleave because it's called when bouncing from some elements to others.
				_.delay( _.bind( this.refresh, this ), 50 );
			},

			dropzoneDragover: function( event ) {
				if ( this.localDrag || ! this.isDraggingFile( event ) ) {
					return;
				}

				this.overDropzone = true;
				this.refresh( event );
				return false;
			},

			dropzoneDragleave: function( e ) {
				this.overDropzone = false;
				_.delay( _.bind( this.refresh, this, e ), 50 );
			},

			click: function( e ) {
				// In the rare case where the dropzone gets stuck, hide it on click.
				this.containerDragleave( e );
				this.dropzoneDragleave( e );
				this.localDrag = false;
			}
		});

		return EditorUploader;

		};
		return editor;
	}

	var inline;
	var hasRequiredInline;

	function requireInline () {
		if (hasRequiredInline) return inline;
		hasRequiredInline = 1;
		inline = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			UploaderInline;

		/**
		 * wp.media.view.UploaderInline
		 *
		 * The inline uploader that shows up in the 'Upload Files' tab.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		UploaderInline = View.extend(/** @lends wp.media.view.UploaderInline.prototype */{
			tagName:   'div',
			className: 'uploader-inline',
			template:  wp.template('uploader-inline'),

			events: {
				'click .close': 'hide'
			},

			initialize: function() {
				_.defaults( this.options, {
					message: '',
					status:  true,
					canClose: false
				});

				if ( ! this.options.$browser && this.controller.uploader ) {
					this.options.$browser = this.controller.uploader.$browser;
				}

				if ( _.isUndefined( this.options.postId ) ) {
					this.options.postId = wp.media.view.settings.post.id;
				}

				if ( this.options.status ) {
					this.views.set( '.upload-inline-status', new wp.media.view.UploaderStatus({
						controller: this.controller
					}) );
				}
			},

			prepare: function() {
				var suggestedWidth = this.controller.state().get('suggestedWidth'),
					suggestedHeight = this.controller.state().get('suggestedHeight'),
					data = {};

				data.message = this.options.message;
				data.canClose = this.options.canClose;

				if ( suggestedWidth && suggestedHeight ) {
					data.suggestedWidth = suggestedWidth;
					data.suggestedHeight = suggestedHeight;
				}

				return data;
			},
			/**
			 * @return {wp.media.view.UploaderInline} Returns itself to allow chaining.
			 */
			dispose: function() {
				if ( this.disposing ) {
					/**
					 * call 'dispose' directly on the parent class
					 */
					return View.prototype.dispose.apply( this, arguments );
				}

				/*
				 * Run remove on `dispose`, so we can be sure to refresh the
				 * uploader with a view-less DOM. Track whether we're disposing
				 * so we don't trigger an infinite loop.
				 */
				this.disposing = true;
				return this.remove();
			},
			/**
			 * @return {wp.media.view.UploaderInline} Returns itself to allow chaining.
			 */
			remove: function() {
				/**
				 * call 'remove' directly on the parent class
				 */
				var result = View.prototype.remove.apply( this, arguments );

				_.defer( _.bind( this.refresh, this ) );
				return result;
			},

			refresh: function() {
				var uploader = this.controller.uploader;

				if ( uploader ) {
					uploader.refresh();
				}
			},
			/**
			 * @return {wp.media.view.UploaderInline}
			 */
			ready: function() {
				var $browser = this.options.$browser,
					$placeholder;

				if ( this.controller.uploader ) {
					$placeholder = this.$('.browser');

					// Check if we've already replaced the placeholder.
					if ( $placeholder[0] === $browser[0] ) {
						return;
					}

					$browser.detach().text( $placeholder.text() );
					$browser[0].className = $placeholder[0].className;
					$browser[0].setAttribute( 'aria-labelledby', $browser[0].id + ' ' + $placeholder[0].getAttribute('aria-labelledby') );
					$placeholder.replaceWith( $browser.show() );
				}

				this.refresh();
				return this;
			},
			show: function() {
				this.$el.removeClass( 'hidden' );
				if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
					this.controller.$uploaderToggler.attr( 'aria-expanded', 'true' );
				}
			},
			hide: function() {
				this.$el.addClass( 'hidden' );
				if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
					this.controller.$uploaderToggler
						.attr( 'aria-expanded', 'false' )
						// Move focus back to the toggle button when closing the uploader.
						.trigger( 'focus' );
				}
			}

		});

		return UploaderInline;

		};
		return inline;
	}

	var status;
	var hasRequiredStatus;

	function requireStatus () {
		if (hasRequiredStatus) return status;
		hasRequiredStatus = 1;
		status = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			UploaderStatus;

		/**
		 * wp.media.view.UploaderStatus
		 *
		 * An uploader status for on-going uploads.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		UploaderStatus = View.extend(/** @lends wp.media.view.UploaderStatus.prototype */{
			className: 'media-uploader-status',
			template:  wp.template('uploader-status'),

			events: {
				'click .upload-dismiss-errors': 'dismiss'
			},

			initialize: function() {
				this.queue = wp.Uploader.queue;
				this.queue.on( 'add remove reset', this.visibility, this );
				this.queue.on( 'add remove reset change:percent', this.progress, this );
				this.queue.on( 'add remove reset change:uploading', this.info, this );

				this.errors = wp.Uploader.errors;
				this.errors.reset();
				this.errors.on( 'add remove reset', this.visibility, this );
				this.errors.on( 'add', this.error, this );
			},
			/**
			 * @return {wp.media.view.UploaderStatus}
			 */
			dispose: function() {
				wp.Uploader.queue.off( null, null, this );
				/**
				 * call 'dispose' directly on the parent class
				 */
				View.prototype.dispose.apply( this, arguments );
				return this;
			},

			visibility: function() {
				this.$el.toggleClass( 'uploading', !! this.queue.length );
				this.$el.toggleClass( 'errors', !! this.errors.length );
				this.$el.toggle( !! this.queue.length || !! this.errors.length );
			},

			ready: function() {
				_.each({
					'$bar':      '.media-progress-bar div',
					'$index':    '.upload-index',
					'$total':    '.upload-total',
					'$filename': '.upload-filename'
				}, function( selector, key ) {
					this[ key ] = this.$( selector );
				}, this );

				this.visibility();
				this.progress();
				this.info();
			},

			progress: function() {
				var queue = this.queue,
					$bar = this.$bar;

				if ( ! $bar || ! queue.length ) {
					return;
				}

				$bar.width( ( queue.reduce( function( memo, attachment ) {
					if ( ! attachment.get('uploading') ) {
						return memo + 100;
					}

					var percent = attachment.get('percent');
					return memo + ( _.isNumber( percent ) ? percent : 100 );
				}, 0 ) / queue.length ) + '%' );
			},

			info: function() {
				var queue = this.queue,
					index = 0, active;

				if ( ! queue.length ) {
					return;
				}

				active = this.queue.find( function( attachment, i ) {
					index = i;
					return attachment.get('uploading');
				});

				if ( this.$index && this.$total && this.$filename ) {
					this.$index.text( index + 1 );
					this.$total.text( queue.length );
					this.$filename.html( active ? this.filename( active.get('filename') ) : '' );
				}
			},
			/**
			 * @param {string} filename
			 * @return {string}
			 */
			filename: function( filename ) {
				return _.escape( filename );
			},
			/**
			 * @param {Backbone.Model} error
			 */
			error: function( error ) {
				var statusError = new wp.media.view.UploaderStatusError( {
					filename: this.filename( error.get( 'file' ).name ),
					message:  error.get( 'message' )
				} );

				var buttonClose = this.$el.find( 'button' );

				// Can show additional info here while retrying to create image sub-sizes.
				this.views.add( '.upload-errors', statusError, { at: 0 } );
				_.delay( function() {
					buttonClose.trigger( 'focus' );
					wp.a11y.speak( error.get( 'message' ), 'assertive' );
				}, 1000 );
			},

			dismiss: function() {
				var errors = this.views.get('.upload-errors');

				if ( errors ) {
					_.invoke( errors, 'remove' );
				}
				wp.Uploader.errors.reset();
				// Move focus to the modal after the dismiss button gets removed from the DOM.
				if ( this.controller.modal ) {
					this.controller.modal.focusManager.focus();
				}
			}
		});

		return UploaderStatus;

		};
		return status;
	}

	var statusError;
	var hasRequiredStatusError;

	function requireStatusError () {
		if (hasRequiredStatusError) return statusError;
		hasRequiredStatusError = 1;
		statusError = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.UploaderStatusError
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var UploaderStatusError = wp.media.View.extend(/** @lends wp.media.view.UploaderStatusError.prototype */{
			className: 'upload-error',
			template:  wp.template('uploader-status-error')
		});

		return UploaderStatusError;

		};
		return statusError;
	}

	var toolbar;
	var hasRequiredToolbar;

	function requireToolbar () {
		if (hasRequiredToolbar) return toolbar;
		hasRequiredToolbar = 1;
		toolbar = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			Toolbar;

		/**
		 * wp.media.view.Toolbar
		 *
		 * A toolbar which consists of a primary and a secondary section. Each sections
		 * can be filled with views.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
			tagName:   'div',
			className: 'media-toolbar',

			initialize: function() {
				var state = this.controller.state(),
					selection = this.selection = state.get('selection'),
					library = this.library = state.get('library');

				this._views = {};

				// The toolbar is composed of two `PriorityList` views.
				this.primary   = new wp.media.view.PriorityList();
				this.secondary = new wp.media.view.PriorityList();
				this.primary.$el.addClass('media-toolbar-primary search-form');
				this.secondary.$el.addClass('media-toolbar-secondary');

				this.views.set([ this.secondary, this.primary ]);

				if ( this.options.items ) {
					this.set( this.options.items, { silent: true });
				}

				if ( ! this.options.silent ) {
					this.render();
				}

				if ( selection ) {
					selection.on( 'add remove reset', this.refresh, this );
				}

				if ( library ) {
					library.on( 'add remove reset', this.refresh, this );
				}
			},
			/**
			 * @return {wp.media.view.Toolbar} Returns itsef to allow chaining
			 */
			dispose: function() {
				if ( this.selection ) {
					this.selection.off( null, null, this );
				}

				if ( this.library ) {
					this.library.off( null, null, this );
				}
				/**
				 * call 'dispose' directly on the parent class
				 */
				return View.prototype.dispose.apply( this, arguments );
			},

			ready: function() {
				this.refresh();
			},

			/**
			 * @param {string} id
			 * @param {Backbone.View|Object} view
			 * @param {Object} [options={}]
			 * @return {wp.media.view.Toolbar} Returns itself to allow chaining.
			 */
			set: function( id, view, options ) {
				var list;
				options = options || {};

				// Accept an object with an `id` : `view` mapping.
				if ( _.isObject( id ) ) {
					_.each( id, function( view, id ) {
						this.set( id, view, { silent: true });
					}, this );

				} else {
					if ( ! ( view instanceof Backbone.View ) ) {
						view.classes = [ 'media-button-' + id ].concat( view.classes || [] );
						view = new wp.media.view.Button( view ).render();
					}

					view.controller = view.controller || this.controller;

					this._views[ id ] = view;

					list = view.options.priority < 0 ? 'secondary' : 'primary';
					this[ list ].set( id, view, options );
				}

				if ( ! options.silent ) {
					this.refresh();
				}

				return this;
			},
			/**
			 * @param {string} id
			 * @return {wp.media.view.Button}
			 */
			get: function( id ) {
				return this._views[ id ];
			},
			/**
			 * @param {string} id
			 * @param {Object} options
			 * @return {wp.media.view.Toolbar} Returns itself to allow chaining.
			 */
			unset: function( id, options ) {
				delete this._views[ id ];
				this.primary.unset( id, options );
				this.secondary.unset( id, options );

				if ( ! options || ! options.silent ) {
					this.refresh();
				}
				return this;
			},

			refresh: function() {
				var state = this.controller.state(),
					library = state.get('library'),
					selection = state.get('selection');

				_.each( this._views, function( button ) {
					if ( ! button.model || ! button.options || ! button.options.requires ) {
						return;
					}

					var requires = button.options.requires,
						disabled = false;

					// Prevent insertion of attachments if any of them are still uploading.
					if ( selection && selection.models ) {
						disabled = _.some( selection.models, function( attachment ) {
							return attachment.get('uploading') === true;
						});
					}

					if ( requires.selection && selection && ! selection.length ) {
						disabled = true;
					} else if ( requires.library && library && ! library.length ) {
						disabled = true;
					}
					button.model.set( 'disabled', disabled );
				});
			}
		});

		return Toolbar;

		};
		return toolbar;
	}

	var select;
	var hasRequiredSelect;

	function requireSelect () {
		if (hasRequiredSelect) return select;
		hasRequiredSelect = 1;
		select = function() { // ClassicPress: defer loading via require()

		var Toolbar = wp.media.view.Toolbar,
			l10n = wp.media.view.l10n,
			Select;

		/**
		 * wp.media.view.Toolbar.Select
		 *
		 * @memberOf wp.media.view.Toolbar
		 *
		 * @class
		 * @augments wp.media.view.Toolbar
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Select = Toolbar.extend(/** @lends wp.media.view.Toolbar.Select.prototype */{
			initialize: function() {
				var options = this.options;

				_.bindAll( this, 'clickSelect' );

				_.defaults( options, {
					event: 'select',
					state: false,
					reset: true,
					close: true,
					text:  l10n.select,

					// Does the button rely on the selection?
					requires: {
						selection: true
					}
				});

				options.items = _.defaults( options.items || {}, {
					select: {
						style:    'primary',
						text:     options.text,
						priority: 80,
						click:    this.clickSelect,
						requires: options.requires
					}
				});
				// Call 'initialize' directly on the parent class.
				Toolbar.prototype.initialize.apply( this, arguments );
			},

			clickSelect: function() {
				var options = this.options,
					controller = this.controller;

				if ( options.close ) {
					controller.close();
				}

				if ( options.event ) {
					controller.state().trigger( options.event );
				}

				if ( options.state ) {
					controller.setState( options.state );
				}

				if ( options.reset ) {
					controller.reset();
				}
			}
		});

		return Select;

		};
		return select;
	}

	var embed$1;
	var hasRequiredEmbed$1;

	function requireEmbed$1 () {
		if (hasRequiredEmbed$1) return embed$1;
		hasRequiredEmbed$1 = 1;
		embed$1 = function() { // ClassicPress: defer loading via require()

		var Select = wp.media.view.Toolbar.Select,
			l10n = wp.media.view.l10n,
			Embed;

		/**
		 * wp.media.view.Toolbar.Embed
		 *
		 * @memberOf wp.media.view.Toolbar
		 *
		 * @class
		 * @augments wp.media.view.Toolbar.Select
		 * @augments wp.media.view.Toolbar
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Embed = Select.extend(/** @lends wp.media.view.Toolbar.Embed.prototype */{
			initialize: function() {
				_.defaults( this.options, {
					text: l10n.insertIntoPost,
					requires: false
				});
				// Call 'initialize' directly on the parent class.
				Select.prototype.initialize.apply( this, arguments );
			},

			refresh: function() {
				var url = this.controller.state().props.get('url');
				this.get('select').model.set( 'disabled', ! url || url === 'http://' );
				/**
				 * call 'refresh' directly on the parent class
				 */
				Select.prototype.refresh.apply( this, arguments );
			}
		});

		return Embed;

		};
		return embed$1;
	}

	var button;
	var hasRequiredButton;

	function requireButton () {
		if (hasRequiredButton) return button;
		hasRequiredButton = 1;
		button = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Button
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
			tagName:    'button',
			className:  'media-button',
			attributes: { type: 'button' },

			events: {
				'click': 'click'
			},

			defaults: {
				text:     '',
				style:    '',
				size:     'large',
				disabled: false
			},

			initialize: function() {
				/**
				 * Create a model with the provided `defaults`.
				 *
				 * @member {Backbone.Model}
				 */
				this.model = new Backbone.Model( this.defaults );

				// If any of the `options` have a key from `defaults`, apply its
				// value to the `model` and remove it from the `options object.
				_.each( this.defaults, function( def, key ) {
					var value = this.options[ key ];
					if ( _.isUndefined( value ) ) {
						return;
					}

					this.model.set( key, value );
					delete this.options[ key ];
				}, this );

				this.listenTo( this.model, 'change', this.render );
			},
			/**
			 * @return {wp.media.view.Button} Returns itself to allow chaining.
			 */
			render: function() {
				var classes = [ 'button', this.className ],
					model = this.model.toJSON();

				if ( model.style ) {
					classes.push( 'button-' + model.style );
				}

				if ( model.size ) {
					classes.push( 'button-' + model.size );
				}

				classes = _.uniq( classes.concat( this.options.classes ) );
				this.el.className = classes.join(' ');

				this.$el.attr( 'disabled', model.disabled );
				this.$el.text( this.model.get('text') );

				return this;
			},
			/**
			 * @param {Object} event
			 */
			click: function( event ) {
				if ( '#' === this.attributes.href ) {
					event.preventDefault();
				}

				if ( this.options.click && ! this.model.get('disabled') ) {
					this.options.click.apply( this, arguments );
				}
			}
		});

		return Button;

		};
		return button;
	}

	var buttonGroup;
	var hasRequiredButtonGroup;

	function requireButtonGroup () {
		if (hasRequiredButtonGroup) return buttonGroup;
		hasRequiredButtonGroup = 1;
		buttonGroup = function() { // ClassicPress: defer loading via require()

		var $ = Backbone.$,
			ButtonGroup;

		/**
		 * wp.media.view.ButtonGroup
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		ButtonGroup = wp.media.View.extend(/** @lends wp.media.view.ButtonGroup.prototype */{
			tagName:   'div',
			className: 'button-group button-large media-button-group',

			initialize: function() {
				/**
				 * @member {wp.media.view.Button[]}
				 */
				this.buttons = _.map( this.options.buttons || [], function( button ) {
					if ( button instanceof Backbone.View ) {
						return button;
					} else {
						return new wp.media.view.Button( button ).render();
					}
				});

				delete this.options.buttons;

				if ( this.options.classes ) {
					this.$el.addClass( this.options.classes );
				}
			},

			/**
			 * @return {wp.media.view.ButtonGroup}
			 */
			render: function() {
				this.$el.html( $( _.pluck( this.buttons, 'el' ) ).detach() );
				return this;
			}
		});

		return ButtonGroup;

		};
		return buttonGroup;
	}

	var priorityList;
	var hasRequiredPriorityList;

	function requirePriorityList () {
		if (hasRequiredPriorityList) return priorityList;
		hasRequiredPriorityList = 1;
		priorityList = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.PriorityList
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var PriorityList = wp.media.View.extend(/** @lends wp.media.view.PriorityList.prototype */{
			tagName:   'div',

			initialize: function() {
				this._views = {};

				this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
				delete this.options.views;

				if ( ! this.options.silent ) {
					this.render();
				}
			},
			/**
			 * @param {string} id
			 * @param {wp.media.View|Object} view
			 * @param {Object} options
			 * @return {wp.media.view.PriorityList} Returns itself to allow chaining.
			 */
			set: function( id, view, options ) {
				var priority, views, index;

				options = options || {};

				// Accept an object with an `id` : `view` mapping.
				if ( _.isObject( id ) ) {
					_.each( id, function( view, id ) {
						this.set( id, view );
					}, this );
					return this;
				}

				if ( ! (view instanceof Backbone.View) ) {
					view = this.toView( view, id, options );
				}
				view.controller = view.controller || this.controller;

				this.unset( id );

				priority = view.options.priority || 10;
				views = this.views.get() || [];

				_.find( views, function( existing, i ) {
					if ( existing.options.priority > priority ) {
						index = i;
						return true;
					}
				});

				this._views[ id ] = view;
				this.views.add( view, {
					at: _.isNumber( index ) ? index : views.length || 0
				});

				return this;
			},
			/**
			 * @param {string} id
			 * @return {wp.media.View}
			 */
			get: function( id ) {
				return this._views[ id ];
			},
			/**
			 * @param {string} id
			 * @return {wp.media.view.PriorityList}
			 */
			unset: function( id ) {
				var view = this.get( id );

				if ( view ) {
					view.remove();
				}

				delete this._views[ id ];
				return this;
			},
			/**
			 * @param {Object} options
			 * @return {wp.media.View}
			 */
			toView: function( options ) {
				return new wp.media.View( options );
			}
		});

		return PriorityList;

		};
		return priorityList;
	}

	var menuItem;
	var hasRequiredMenuItem;

	function requireMenuItem () {
		if (hasRequiredMenuItem) return menuItem;
		hasRequiredMenuItem = 1;
		menuItem = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.MenuItem
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var MenuItem = wp.media.View.extend(/** @lends wp.media.view.MenuItem.prototype */{
			tagName:   'button',
			className: 'media-menu-item',

			attributes: {
				type: 'button',
				role: 'tab'
			},

			events: {
				'click': '_click'
			},

			/**
			 * Allows to override the click event.
			 */
			_click: function() {
				var clickOverride = this.options.click;

				if ( clickOverride ) {
					clickOverride.call( this );
				} else {
					this.click();
				}
			},

			click: function() {
				var state = this.options.state;

				if ( state ) {
					this.controller.setState( state );
					// Toggle the menu visibility in the responsive view.
					this.views.parent.$el.removeClass( 'visible' ); // @todo Or hide on any click, see below.
				}
			},

			/**
			 * @return {wp.media.view.MenuItem} returns itself to allow chaining.
			 */
			render: function() {
				var options = this.options,
					menuProperty = options.state || options.contentMode;

				if ( options.text ) {
					this.$el.text( options.text );
				} else if ( options.html ) {
					this.$el.html( options.html );
				}

				// Set the menu item ID based on the frame state associated to the menu item.
				this.$el.attr( 'id', 'menu-item-' + menuProperty );

				return this;
			}
		});

		return MenuItem;

		};
		return menuItem;
	}

	var menu;
	var hasRequiredMenu;

	function requireMenu () {
		if (hasRequiredMenu) return menu;
		hasRequiredMenu = 1;
		menu = function() { // ClassicPress: defer loading via require()

		var MenuItem = wp.media.view.MenuItem,
			PriorityList = wp.media.view.PriorityList,
			Menu;

		/**
		 * wp.media.view.Menu
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.PriorityList
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Menu = PriorityList.extend(/** @lends wp.media.view.Menu.prototype */{
			tagName:   'div',
			className: 'media-menu',
			property:  'state',
			ItemView:  MenuItem,
			region:    'menu',

			attributes: {
				role:               'tablist',
				'aria-orientation': 'horizontal'
			},

			initialize: function() {
				this._views = {};

				this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
				delete this.options.views;

				if ( ! this.options.silent ) {
					this.render();
				}

				// Initialize the Focus Manager.
				this.focusManager = new wp.media.view.FocusManager( {
					el:   this.el,
					mode: 'tabsNavigation'
				} );

				// The menu is always rendered and can be visible or hidden on some frames.
				this.isVisible = true;
			},

			/**
			 * @param {Object} options
			 * @param {string} id
			 * @return {wp.media.View}
			 */
			toView: function( options, id ) {
				options = options || {};
				options[ this.property ] = options[ this.property ] || id;
				return new this.ItemView( options ).render();
			},

			ready: function() {
				/**
				 * call 'ready' directly on the parent class
				 */
				PriorityList.prototype.ready.apply( this, arguments );
				this.visibility();

				// Set up aria tabs initial attributes.
				this.focusManager.setupAriaTabs();
			},

			set: function() {
				/**
				 * call 'set' directly on the parent class
				 */
				PriorityList.prototype.set.apply( this, arguments );
				this.visibility();
			},

			unset: function() {
				/**
				 * call 'unset' directly on the parent class
				 */
				PriorityList.prototype.unset.apply( this, arguments );
				this.visibility();
			},

			visibility: function() {
				var region = this.region,
					view = this.controller[ region ].get(),
					views = this.views.get(),
					hide = ! views || views.length < 2;

				if ( this === view ) {
					// Flag this menu as hidden or visible.
					this.isVisible = ! hide;
					// Set or remove a CSS class to hide the menu.
					this.controller.$el.toggleClass( 'hide-' + region, hide );
				}
			},
			/**
			 * @param {string} id
			 */
			select: function( id ) {
				var view = this.get( id );

				if ( ! view ) {
					return;
				}

				this.deselect();
				view.$el.addClass('active');

				// Set up again the aria tabs initial attributes after the menu updates.
				this.focusManager.setupAriaTabs();
			},

			deselect: function() {
				this.$el.children().removeClass('active');
			},

			hide: function( id ) {
				var view = this.get( id );

				if ( ! view ) {
					return;
				}

				view.$el.addClass('hidden');
			},

			show: function( id ) {
				var view = this.get( id );

				if ( ! view ) {
					return;
				}

				view.$el.removeClass('hidden');
			}
		});

		return Menu;

		};
		return menu;
	}

	var routerItem;
	var hasRequiredRouterItem;

	function requireRouterItem () {
		if (hasRequiredRouterItem) return routerItem;
		hasRequiredRouterItem = 1;
		routerItem = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.RouterItem
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.MenuItem
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var RouterItem = wp.media.view.MenuItem.extend(/** @lends wp.media.view.RouterItem.prototype */{
			/**
			 * On click handler to activate the content region's corresponding mode.
			 */
			click: function() {
				var contentMode = this.options.contentMode;
				if ( contentMode ) {
					this.controller.content.mode( contentMode );
				}
			}
		});

		return RouterItem;

		};
		return routerItem;
	}

	var router;
	var hasRequiredRouter;

	function requireRouter () {
		if (hasRequiredRouter) return router;
		hasRequiredRouter = 1;
		router = function() { // ClassicPress: defer loading via require()

		var Menu = wp.media.view.Menu,
			Router;

		/**
		 * wp.media.view.Router
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Menu
		 * @augments wp.media.view.PriorityList
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Router = Menu.extend(/** @lends wp.media.view.Router.prototype */{
			tagName:   'div',
			className: 'media-router',
			property:  'contentMode',
			ItemView:  wp.media.view.RouterItem,
			region:    'router',

			attributes: {
				role:               'tablist',
				'aria-orientation': 'horizontal'
			},

			initialize: function() {
				this.controller.on( 'content:render', this.update, this );
				// Call 'initialize' directly on the parent class.
				Menu.prototype.initialize.apply( this, arguments );
			},

			update: function() {
				var mode = this.controller.content.mode();
				if ( mode ) {
					this.select( mode );
				}
			}
		});

		return Router;

		};
		return router;
	}

	var sidebar;
	var hasRequiredSidebar;

	function requireSidebar () {
		if (hasRequiredSidebar) return sidebar;
		hasRequiredSidebar = 1;
		sidebar = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Sidebar
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.PriorityList
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Sidebar = wp.media.view.PriorityList.extend(/** @lends wp.media.view.Sidebar.prototype */{
			className: 'media-sidebar'
		});

		return Sidebar;

		};
		return sidebar;
	}

	var attachment;
	var hasRequiredAttachment;

	function requireAttachment () {
		if (hasRequiredAttachment) return attachment;
		hasRequiredAttachment = 1;
		attachment = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			$ = jQuery,
			Attachment;

		/**
		 * wp.media.view.Attachment
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Attachment = View.extend(/** @lends wp.media.view.Attachment.prototype */{
			tagName:   'li',
			className: 'attachment',
			template:  wp.template('attachment'),

			attributes: function() {
				return {
					'tabIndex':     0,
					'role':         'checkbox',
					'aria-label':   this.model.get( 'title' ),
					'aria-checked': false,
					'data-id':      this.model.get( 'id' )
				};
			},

			events: {
				'click':                          'toggleSelectionHandler',
				'change [data-setting]':          'updateSetting',
				'change [data-setting] input':    'updateSetting',
				'change [data-setting] select':   'updateSetting',
				'change [data-setting] textarea': 'updateSetting',
				'click .attachment-close':        'removeFromLibrary',
				'click .check':                   'checkClickHandler',
				'keydown':                        'toggleSelectionHandler'
			},

			buttons: {},

			initialize: function() {
				var selection = this.options.selection,
					options = _.defaults( this.options, {
						rerenderOnModelChange: true
					} );

				if ( options.rerenderOnModelChange ) {
					this.listenTo( this.model, 'change', this.render );
				} else {
					this.listenTo( this.model, 'change:percent', this.progress );
				}
				this.listenTo( this.model, 'change:title', this._syncTitle );
				this.listenTo( this.model, 'change:caption', this._syncCaption );
				this.listenTo( this.model, 'change:artist', this._syncArtist );
				this.listenTo( this.model, 'change:album', this._syncAlbum );

				// Update the selection.
				this.listenTo( this.model, 'add', this.select );
				this.listenTo( this.model, 'remove', this.deselect );
				if ( selection ) {
					selection.on( 'reset', this.updateSelect, this );
					// Update the model's details view.
					this.listenTo( this.model, 'selection:single selection:unsingle', this.details );
					this.details( this.model, this.controller.state().get('selection') );
				}

				this.listenTo( this.controller.states, 'attachment:compat:waiting attachment:compat:ready', this.updateSave );
			},
			/**
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			dispose: function() {
				var selection = this.options.selection;

				// Make sure all settings are saved before removing the view.
				this.updateAll();

				if ( selection ) {
					selection.off( null, null, this );
				}
				/**
				 * call 'dispose' directly on the parent class
				 */
				View.prototype.dispose.apply( this, arguments );
				return this;
			},
			/**
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			render: function() {
				var options = _.defaults( this.model.toJSON(), {
						orientation:   'landscape',
						uploading:     false,
						type:          '',
						subtype:       '',
						icon:          '',
						filename:      '',
						caption:       '',
						title:         '',
						dateFormatted: '',
						width:         '',
						height:        '',
						compat:        false,
						alt:           '',
						description:   ''
					}, this.options );

				options.buttons  = this.buttons;
				options.describe = this.controller.state().get('describe');

				if ( 'image' === options.type ) {
					options.size = this.imageSize();
				}

				options.can = {};
				if ( options.nonces ) {
					options.can.remove = !! options.nonces['delete'];
					options.can.save = !! options.nonces.update;
				}

				if ( this.controller.state().get('allowLocalEdits') ) {
					options.allowLocalEdits = true;
				}

				if ( options.uploading && ! options.percent ) {
					options.percent = 0;
				}

				this.views.detach();
				this.$el.html( this.template( options ) );

				this.$el.toggleClass( 'uploading', options.uploading );

				if ( options.uploading ) {
					this.$bar = this.$('.media-progress-bar div');
				} else {
					delete this.$bar;
				}

				// Check if the model is selected.
				this.updateSelect();

				// Update the save status.
				this.updateSave();

				this.views.render();

				return this;
			},

			progress: function() {
				if ( this.$bar && this.$bar.length ) {
					this.$bar.width( this.model.get('percent') + '%' );
				}
			},

			/**
			 * @param {Object} event
			 */
			toggleSelectionHandler: function( event ) {
				var method;

				// Don't do anything inside inputs and on the attachment check and remove buttons.
				if ( 'INPUT' === event.target.nodeName || 'BUTTON' === event.target.nodeName ) {
					return;
				}

				// Catch arrow events.
				if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
					this.controller.trigger( 'attachment:keydown:arrow', event );
					return;
				}

				// Catch enter and space events.
				if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
					return;
				}

				event.preventDefault();

				// In the grid view, bubble up an edit:attachment event to the controller.
				if ( this.controller.isModeActive( 'grid' ) ) {
					if ( this.controller.isModeActive( 'edit' ) ) {
						// Pass the current target to restore focus when closing.
						this.controller.trigger( 'edit:attachment', this.model, event.currentTarget );
						return;
					}

					if ( this.controller.isModeActive( 'select' ) ) {
						method = 'toggle';
					}
				}

				if ( event.shiftKey ) {
					method = 'between';
				} else if ( event.ctrlKey || event.metaKey ) {
					method = 'toggle';
				}

				this.toggleSelection({
					method: method
				});

				this.controller.trigger( 'selection:toggle' );
			},
			/**
			 * @param {Object} options
			 */
			toggleSelection: function( options ) {
				var collection = this.collection,
					selection = this.options.selection,
					model = this.model,
					method = options && options.method,
					single, models, singleIndex, modelIndex;

				if ( ! selection ) {
					return;
				}

				single = selection.single();
				method = _.isUndefined( method ) ? selection.multiple : method;

				// If the `method` is set to `between`, select all models that
				// exist between the current and the selected model.
				if ( 'between' === method && single && selection.multiple ) {
					// If the models are the same, short-circuit.
					if ( single === model ) {
						return;
					}

					singleIndex = collection.indexOf( single );
					modelIndex  = collection.indexOf( this.model );

					if ( singleIndex < modelIndex ) {
						models = collection.models.slice( singleIndex, modelIndex + 1 );
					} else {
						models = collection.models.slice( modelIndex, singleIndex + 1 );
					}

					selection.add( models );
					selection.single( model );
					return;

				// If the `method` is set to `toggle`, just flip the selection
				// status, regardless of whether the model is the single model.
				} else if ( 'toggle' === method ) {
					selection[ this.selected() ? 'remove' : 'add' ]( model );
					selection.single( model );
					return;
				} else if ( 'add' === method ) {
					selection.add( model );
					selection.single( model );
					return;
				}

				// Fixes bug that loses focus when selecting a featured image.
				if ( ! method ) {
					method = 'add';
				}

				if ( method !== 'add' ) {
					method = 'reset';
				}

				if ( this.selected() ) {
					/*
					 * If the model is the single model, remove it.
					 * If it is not the same as the single model,
					 * it now becomes the single model.
					 */
					selection[ single === model ? 'remove' : 'single' ]( model );
				} else {
					/*
					 * If the model is not selected, run the `method` on the
					 * selection. By default, we `reset` the selection, but the
					 * `method` can be set to `add` the model to the selection.
					 */
					selection[ method ]( model );
					selection.single( model );
				}
			},

			updateSelect: function() {
				this[ this.selected() ? 'select' : 'deselect' ]();
			},
			/**
			 * @return {unresolved|boolean}
			 */
			selected: function() {
				var selection = this.options.selection;
				if ( selection ) {
					return !! selection.get( this.model.cid );
				}
			},
			/**
			 * @param {Backbone.Model} model
			 * @param {Backbone.Collection} collection
			 */
			select: function( model, collection ) {
				var selection = this.options.selection,
					controller = this.controller;

				/*
				 * Check if a selection exists and if it's the collection provided.
				 * If they're not the same collection, bail; we're in another
				 * selection's event loop.
				 */
				if ( ! selection || ( collection && collection !== selection ) ) {
					return;
				}

				// Bail if the model is already selected.
				if ( this.$el.hasClass( 'selected' ) ) {
					return;
				}

				// Add 'selected' class to model, set aria-checked to true.
				this.$el.addClass( 'selected' ).attr( 'aria-checked', true );
				//  Make the checkbox tabable, except in media grid (bulk select mode).
				if ( ! ( controller.isModeActive( 'grid' ) && controller.isModeActive( 'select' ) ) ) {
					this.$( '.check' ).attr( 'tabindex', '0' );
				}
			},
			/**
			 * @param {Backbone.Model} model
			 * @param {Backbone.Collection} collection
			 */
			deselect: function( model, collection ) {
				var selection = this.options.selection;

				/*
				 * Check if a selection exists and if it's the collection provided.
				 * If they're not the same collection, bail; we're in another
				 * selection's event loop.
				 */
				if ( ! selection || ( collection && collection !== selection ) ) {
					return;
				}
				this.$el.removeClass( 'selected' ).attr( 'aria-checked', false )
					.find( '.check' ).attr( 'tabindex', '-1' );
			},
			/**
			 * @param {Backbone.Model} model
			 * @param {Backbone.Collection} collection
			 */
			details: function( model, collection ) {
				var selection = this.options.selection,
					details;

				if ( selection !== collection ) {
					return;
				}

				details = selection.single();
				this.$el.toggleClass( 'details', details === this.model );
			},
			/**
			 * @param {string} size
			 * @return {Object}
			 */
			imageSize: function( size ) {
				var sizes = this.model.get('sizes'), matched = false;

				size = size || 'medium';

				// Use the provided image size if possible.
				if ( sizes ) {
					if ( sizes[ size ] ) {
						matched = sizes[ size ];
					} else if ( sizes.large ) {
						matched = sizes.large;
					} else if ( sizes.thumbnail ) {
						matched = sizes.thumbnail;
					} else if ( sizes.full ) {
						matched = sizes.full;
					}

					if ( matched ) {
						return _.clone( matched );
					}
				}

				return {
					url:         this.model.get('url'),
					width:       this.model.get('width'),
					height:      this.model.get('height'),
					orientation: this.model.get('orientation')
				};
			},
			/**
			 * @param {Object} event
			 */
			updateSetting: function( event ) {
				var $setting = $( event.target ).closest('[data-setting]'),
					setting, value;

				if ( ! $setting.length ) {
					return;
				}

				setting = $setting.data('setting');
				value   = event.target.value;

				if ( this.model.get( setting ) !== value ) {
					this.save( setting, value );
				}
			},

			/**
			 * Pass all the arguments to the model's save method.
			 *
			 * Records the aggregate status of all save requests and updates the
			 * view's classes accordingly.
			 */
			save: function() {
				var view = this,
					save = this._save = this._save || { status: 'ready' },
					request = this.model.save.apply( this.model, arguments ),
					requests = save.requests ? $.when( request, save.requests ) : request;

				// If we're waiting to remove 'Saved.', stop.
				if ( save.savedTimer ) {
					clearTimeout( save.savedTimer );
				}

				this.updateSave('waiting');
				save.requests = requests;
				requests.always( function() {
					// If we've performed another request since this one, bail.
					if ( save.requests !== requests ) {
						return;
					}

					view.updateSave( requests.state() === 'resolved' ? 'complete' : 'error' );
					save.savedTimer = setTimeout( function() {
						view.updateSave('ready');
						delete save.savedTimer;
					}, 2000 );
				});
			},
			/**
			 * @param {string} status
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			updateSave: function( status ) {
				var save = this._save = this._save || { status: 'ready' };

				if ( status && status !== save.status ) {
					this.$el.removeClass( 'save-' + save.status );
					save.status = status;
				}

				this.$el.addClass( 'save-' + save.status );
				return this;
			},

			updateAll: function() {
				var $settings = this.$('[data-setting]'),
					model = this.model,
					changed;

				changed = _.chain( $settings ).map( function( el ) {
					var $input = $('input, textarea, select, [value]', el ),
						setting, value;

					if ( ! $input.length ) {
						return;
					}

					setting = $(el).data('setting');
					value = $input.val();

					// Record the value if it changed.
					if ( model.get( setting ) !== value ) {
						return [ setting, value ];
					}
				}).compact().object().value();

				if ( ! _.isEmpty( changed ) ) {
					model.save( changed );
				}
			},
			/**
			 * @param {Object} event
			 */
			removeFromLibrary: function( event ) {
				// Catch enter and space events.
				if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
					return;
				}

				// Stop propagation so the model isn't selected.
				event.stopPropagation();

				this.collection.remove( this.model );
			},

			/**
			 * Add the model if it isn't in the selection, if it is in the selection,
			 * remove it.
			 *
			 * @param {[type]} event [description]
			 * @return {[type]} [description]
			 */
			checkClickHandler: function ( event ) {
				var selection = this.options.selection;
				if ( ! selection ) {
					return;
				}
				event.stopPropagation();
				if ( selection.where( { id: this.model.get( 'id' ) } ).length ) {
					selection.remove( this.model );
					// Move focus back to the attachment tile (from the check).
					this.$el.focus();
				} else {
					selection.add( this.model );
				}

				// Trigger an action button update.
				this.controller.trigger( 'selection:toggle' );
			}
		});

		// Ensure settings remain in sync between attachment views.
		_.each({
			caption: '_syncCaption',
			title:   '_syncTitle',
			artist:  '_syncArtist',
			album:   '_syncAlbum'
		}, function( method, setting ) {
			/**
			 * @function _syncCaption
			 * @memberOf wp.media.view.Attachment
			 * @instance
			 *
			 * @param {Backbone.Model} model
			 * @param {string} value
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			/**
			 * @function _syncTitle
			 * @memberOf wp.media.view.Attachment
			 * @instance
			 *
			 * @param {Backbone.Model} model
			 * @param {string} value
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			/**
			 * @function _syncArtist
			 * @memberOf wp.media.view.Attachment
			 * @instance
			 *
			 * @param {Backbone.Model} model
			 * @param {string} value
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			/**
			 * @function _syncAlbum
			 * @memberOf wp.media.view.Attachment
			 * @instance
			 *
			 * @param {Backbone.Model} model
			 * @param {string} value
			 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
			 */
			Attachment.prototype[ method ] = function( model, value ) {
				var $setting = this.$('[data-setting="' + setting + '"]');

				if ( ! $setting.length ) {
					return this;
				}

				/*
				 * If the updated value is in sync with the value in the DOM, there
				 * is no need to re-render. If we're currently editing the value,
				 * it will automatically be in sync, suppressing the re-render for
				 * the view we're editing, while updating any others.
				 */
				if ( value === $setting.find('input, textarea, select, [value]').val() ) {
					return this;
				}

				return this.render();
			};
		});

		return Attachment;

		};
		return attachment;
	}

	var library;
	var hasRequiredLibrary;

	function requireLibrary () {
		if (hasRequiredLibrary) return library;
		hasRequiredLibrary = 1;
		library = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Attachment.Library
		 *
		 * @memberOf wp.media.view.Attachment
		 *
		 * @class
		 * @augments wp.media.view.Attachment
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Library = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Library.prototype */{
			buttons: {
				check: true
			}
		});

		return Library;

		};
		return library;
	}

	var editLibrary;
	var hasRequiredEditLibrary;

	function requireEditLibrary () {
		if (hasRequiredEditLibrary) return editLibrary;
		hasRequiredEditLibrary = 1;
		editLibrary = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Attachment.EditLibrary
		 *
		 * @memberOf wp.media.view.Attachment
		 *
		 * @class
		 * @augments wp.media.view.Attachment
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var EditLibrary = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.EditLibrary.prototype */{
			buttons: {
				close: true
			}
		});

		return EditLibrary;

		};
		return editLibrary;
	}

	var attachments;
	var hasRequiredAttachments;

	function requireAttachments () {
		if (hasRequiredAttachments) return attachments;
		hasRequiredAttachments = 1;
		attachments = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			$ = jQuery,
			Attachments,
			infiniteScrolling = wp.media.view.settings.infiniteScrolling;

		Attachments = View.extend(/** @lends wp.media.view.Attachments.prototype */{
			tagName:   'ul',
			className: 'attachments',

			attributes: {
				tabIndex: -1
			},

			/**
			 * Represents the overview of attachments in the Media Library.
			 *
			 * The constructor binds events to the collection this view represents when
			 * adding or removing attachments or resetting the entire collection.
			 *
			 * @since 3.5.0
			 *
			 * @constructs
			 * @memberof wp.media.view
			 *
			 * @augments wp.media.View
			 *
			 * @listens collection:add
			 * @listens collection:remove
			 * @listens collection:reset
			 * @listens controller:library:selection:add
			 * @listens scrollElement:scroll
			 * @listens this:ready
			 * @listens controller:open
			 */
			initialize: function() {
				this.el.id = _.uniqueId('__attachments-view-');

				/**
				 * @since 5.8.0 Added the `infiniteScrolling` parameter.
				 *
				 * @param infiniteScrolling  Whether to enable infinite scrolling or use
				 *                           the default "load more" button.
				 * @param refreshSensitivity The time in milliseconds to throttle the scroll
				 *                           handler.
				 * @param refreshThreshold   The amount of pixels that should be scrolled before
				 *                           loading more attachments from the server.
				 * @param AttachmentView     The view class to be used for models in the
				 *                           collection.
				 * @param sortable           A jQuery sortable options object
				 *                           ( http://api.jqueryui.com/sortable/ ).
				 * @param resize             A boolean indicating whether or not to listen to
				 *                           resize events.
				 * @param idealColumnWidth   The width in pixels which a column should have when
				 *                           calculating the total number of columns.
				 */
				_.defaults( this.options, {
					infiniteScrolling:  infiniteScrolling || false,
					refreshSensitivity: wp.media.isTouchDevice ? 300 : 200,
					refreshThreshold:   3,
					AttachmentView:     wp.media.view.Attachment,
					sortable:           false,
					resize:             true,
					idealColumnWidth:   $( window ).width() < 640 ? 135 : 150
				});

				this._viewsByCid = {};
				this.$window = $( window );
				this.resizeEvent = 'resize.media-modal-columns';

				this.collection.on( 'add', function( attachment ) {
					this.views.add( this.createAttachmentView( attachment ), {
						at: this.collection.indexOf( attachment )
					});
				}, this );

				/*
				 * Find the view to be removed, delete it and call the remove function to clear
				 * any set event handlers.
				 */
				this.collection.on( 'remove', function( attachment ) {
					var view = this._viewsByCid[ attachment.cid ];
					delete this._viewsByCid[ attachment.cid ];

					if ( view ) {
						view.remove();
					}
				}, this );

				this.collection.on( 'reset', this.render, this );

				this.controller.on( 'library:selection:add', this.attachmentFocus, this );

				if ( this.options.infiniteScrolling ) {
					// Throttle the scroll handler and bind this.
					this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();

					this.options.scrollElement = this.options.scrollElement || this.el;
					$( this.options.scrollElement ).on( 'scroll', this.scroll );
				}

				this.initSortable();

				_.bindAll( this, 'setColumns' );

				if ( this.options.resize ) {
					this.on( 'ready', this.bindEvents );
					this.controller.on( 'open', this.setColumns );

					/*
					 * Call this.setColumns() after this view has been rendered in the
					 * DOM so attachments get proper width applied.
					 */
					_.defer( this.setColumns, this );
				}
			},

			/**
			 * Listens to the resizeEvent on the window.
			 *
			 * Adjusts the amount of columns accordingly. First removes any existing event
			 * handlers to prevent duplicate listeners.
			 *
			 * @since 4.0.0
			 *
			 * @listens window:resize
			 *
			 * @return {void}
			 */
			bindEvents: function() {
				this.$window.off( this.resizeEvent ).on( this.resizeEvent, _.debounce( this.setColumns, 50 ) );
			},

			/**
			 * Focuses the first item in the collection.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			attachmentFocus: function() {
				/*
				 * @todo When uploading new attachments, this tries to move focus to
				 * the attachments grid. Actually, a progress bar gets initially displayed
				 * and then updated when uploading completes, so focus is lost.
				 * Additionally: this view is used for both the attachments list and
				 * the list of selected attachments in the bottom media toolbar. Thus, when
				 * uploading attachments, it is called twice and returns two different `this`.
				 * `this.columns` is truthy within the modal.
				 */
				if ( this.columns ) {
					// Move focus to the grid list within the modal.
					this.$el.focus();
				}
			},

			/**
			 * Restores focus to the selected item in the collection.
			 *
			 * Moves focus back to the first selected attachment in the grid. Used when
			 * tabbing backwards from the attachment details sidebar.
			 * See media.view.AttachmentsBrowser.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			restoreFocus: function() {
				this.$( 'li.selected:first' ).focus();
			},

			/**
			 * Handles events for arrow key presses.
			 *
			 * Focuses the attachment in the direction of the used arrow key if it exists.
			 *
			 * @since 4.0.0
			 *
			 * @param {KeyboardEvent} event The keyboard event that triggered this function.
			 *
			 * @return {void}
			 */
			arrowEvent: function( event ) {
				var attachments = this.$el.children( 'li' ),
					perRow = this.columns,
					index = attachments.filter( ':focus' ).index(),
					row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );

				if ( index === -1 ) {
					return;
				}

				// Left arrow = 37.
				if ( 37 === event.keyCode ) {
					if ( 0 === index ) {
						return;
					}
					attachments.eq( index - 1 ).focus();
				}

				// Up arrow = 38.
				if ( 38 === event.keyCode ) {
					if ( 1 === row ) {
						return;
					}
					attachments.eq( index - perRow ).focus();
				}

				// Right arrow = 39.
				if ( 39 === event.keyCode ) {
					if ( attachments.length === index ) {
						return;
					}
					attachments.eq( index + 1 ).focus();
				}

				// Down arrow = 40.
				if ( 40 === event.keyCode ) {
					if ( Math.ceil( attachments.length / perRow ) === row ) {
						return;
					}
					attachments.eq( index + perRow ).focus();
				}
			},

			/**
			 * Clears any set event handlers.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			dispose: function() {
				this.collection.props.off( null, null, this );
				if ( this.options.resize ) {
					this.$window.off( this.resizeEvent );
				}

				// Call 'dispose' directly on the parent class.
				View.prototype.dispose.apply( this, arguments );
			},

			/**
			 * Calculates the amount of columns.
			 *
			 * Calculates the amount of columns and sets it on the data-columns attribute
			 * of .media-frame-content.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			setColumns: function() {
				var prev = this.columns,
					width = this.$el.width();

				if ( width ) {
					this.columns = Math.min( Math.round( width / this.options.idealColumnWidth ), 12 ) || 1;

					if ( ! prev || prev !== this.columns ) {
						this.$el.closest( '.media-frame-content' ).attr( 'data-columns', this.columns );
					}
				}
			},

			/**
			 * Initializes jQuery sortable on the attachment list.
			 *
			 * Fails gracefully if jQuery sortable doesn't exist or isn't passed
			 * in the options.
			 *
			 * @since 3.5.0
			 *
			 * @fires collection:reset
			 *
			 * @return {void}
			 */
			initSortable: function() {
				var collection = this.collection;

				if ( ! this.options.sortable || ! $.fn.sortable ) {
					return;
				}

				this.$el.sortable( _.extend({
					// If the `collection` has a `comparator`, disable sorting.
					disabled: !! collection.comparator,

					/*
					 * Change the position of the attachment as soon as the mouse pointer
					 * overlaps a thumbnail.
					 */
					tolerance: 'pointer',

					// Record the initial `index` of the dragged model.
					start: function( event, ui ) {
						ui.item.data('sortableIndexStart', ui.item.index());
					},

					/*
					 * Update the model's index in the collection. Do so silently, as the view
					 * is already accurate.
					 */
					update: function( event, ui ) {
						var model = collection.at( ui.item.data('sortableIndexStart') ),
							comparator = collection.comparator;

						// Temporarily disable the comparator to prevent `add`
						// from re-sorting.
						delete collection.comparator;

						// Silently shift the model to its new index.
						collection.remove( model, {
							silent: true
						});
						collection.add( model, {
							silent: true,
							at:     ui.item.index()
						});

						// Restore the comparator.
						collection.comparator = comparator;

						// Fire the `reset` event to ensure other collections sync.
						collection.trigger( 'reset', collection );

						// If the collection is sorted by menu order, update the menu order.
						collection.saveMenuOrder();
					}
				}, this.options.sortable ) );

				/*
				 * If the `orderby` property is changed on the `collection`,
				 * check to see if we have a `comparator`. If so, disable sorting.
				 */
				collection.props.on( 'change:orderby', function() {
					this.$el.sortable( 'option', 'disabled', !! collection.comparator );
				}, this );

				this.collection.props.on( 'change:orderby', this.refreshSortable, this );
				this.refreshSortable();
			},

			/**
			 * Disables jQuery sortable if collection has a comparator or collection.orderby
			 * equals menuOrder.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			refreshSortable: function() {
				if ( ! this.options.sortable || ! $.fn.sortable ) {
					return;
				}

				var collection = this.collection,
					orderby = collection.props.get('orderby'),
					enabled = 'menuOrder' === orderby || ! collection.comparator;

				this.$el.sortable( 'option', 'disabled', ! enabled );
			},

			/**
			 * Creates a new view for an attachment and adds it to _viewsByCid.
			 *
			 * @since 3.5.0
			 *
			 * @param {wp.media.model.Attachment} attachment
			 *
			 * @return {wp.media.View} The created view.
			 */
			createAttachmentView: function( attachment ) {
				var view = new this.options.AttachmentView({
					controller:           this.controller,
					model:                attachment,
					collection:           this.collection,
					selection:            this.options.selection
				});

				return this._viewsByCid[ attachment.cid ] = view;
			},

			/**
			 * Prepares view for display.
			 *
			 * Creates views for every attachment in collection if the collection is not
			 * empty, otherwise clears all views and loads more attachments.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			prepare: function() {
				if ( this.collection.length ) {
					this.views.set( this.collection.map( this.createAttachmentView, this ) );
				} else {
					this.views.unset();
					if ( this.options.infiniteScrolling ) {
						this.collection.more().done( this.scroll );
					}
				}
			},

			/**
			 * Triggers the scroll function to check if we should query for additional
			 * attachments right away.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			ready: function() {
				if ( this.options.infiniteScrolling ) {
					this.scroll();
				}
			},

			/**
			 * Handles scroll events.
			 *
			 * Shows the spinner if we're close to the bottom. Loads more attachments from
			 * server if we're {refreshThreshold} times away from the bottom.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
			 */
			scroll: function() {
				var view = this,
					el = this.options.scrollElement,
					scrollTop = el.scrollTop,
					toolbar;

				/*
				 * The scroll event occurs on the document, but the element that should be
				 * checked is the document body.
				 */
				if ( el === document ) {
					el = document.body;
					scrollTop = $(document).scrollTop();
				}

				if ( ! $(el).is(':visible') || ! this.collection.hasMore() ) {
					return;
				}

				toolbar = this.views.parent.toolbar;

				// Show the spinner only if we are close to the bottom.
				if ( el.scrollHeight - ( scrollTop + el.clientHeight ) < el.clientHeight / 3 ) {
					toolbar.get('spinner').show();
				}

				if ( el.scrollHeight < scrollTop + ( el.clientHeight * this.options.refreshThreshold ) ) {
					this.collection.more().done(function() {
						view.scroll();
						toolbar.get('spinner').hide();
					});
				}
			}
		});

		return Attachments;

		};
		return attachments;
	}

	var search;
	var hasRequiredSearch;

	function requireSearch () {
		if (hasRequiredSearch) return search;
		hasRequiredSearch = 1;
		search = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Search
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Search = wp.media.View.extend(/** @lends wp.media.view.Search.prototype */{
			tagName:   'input',
			className: 'search',
			id:        'media-search-input',

			attributes: {
				type: 'search'
			},

			events: {
				'input': 'search'
			},

			/**
			 * @return {wp.media.view.Search} Returns itself to allow chaining.
			 */
			render: function() {
				this.el.value = this.model.escape('search');
				return this;
			},

			search: _.debounce( function( event ) {
				var searchTerm = event.target.value.trim();

				// Trigger the search only after 2 ASCII characters.
				if ( searchTerm && searchTerm.length > 1 ) {
					this.model.set( 'search', searchTerm );
				} else {
					this.model.unset( 'search' );
				}
			}, 500 )
		});

		return Search;

		};
		return search;
	}

	var attachmentFilters;
	var hasRequiredAttachmentFilters;

	function requireAttachmentFilters () {
		if (hasRequiredAttachmentFilters) return attachmentFilters;
		hasRequiredAttachmentFilters = 1;
		attachmentFilters = function() { // ClassicPress: defer loading via require()

		var $ = jQuery,
			AttachmentFilters;

		/**
		 * wp.media.view.AttachmentFilters
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		AttachmentFilters = wp.media.View.extend(/** @lends wp.media.view.AttachmentFilters.prototype */{
			tagName:   'select',
			className: 'attachment-filters',
			id:        'media-attachment-filters',

			events: {
				change: 'change'
			},

			keys: [],

			initialize: function() {
				this.createFilters();
				_.extend( this.filters, this.options.filters );

				// Build `<option>` elements.
				this.$el.html( _.chain( this.filters ).map( function( filter, value ) {
					return {
						el: $( '<option></option>' ).val( value ).html( filter.text )[0],
						priority: filter.priority || 50
					};
				}, this ).sortBy('priority').pluck('el').value() );

				this.listenTo( this.model, 'change', this.select );
				this.select();
			},

			/**
			 * @abstract
			 */
			createFilters: function() {
				this.filters = {};
			},

			/**
			 * When the selected filter changes, update the Attachment Query properties to match.
			 */
			change: function() {
				var filter = this.filters[ this.el.value ];
				if ( filter ) {
					this.model.set( filter.props );
				}
			},

			select: function() {
				var model = this.model,
					value = 'all',
					props = model.toJSON();

				_.find( this.filters, function( filter, id ) {
					var equal = _.all( filter.props, function( prop, key ) {
						return prop === ( _.isUndefined( props[ key ] ) ? null : props[ key ] );
					});

					if ( equal ) {
						return value = id;
					}
				});

				this.$el.val( value );
			}
		});

		return AttachmentFilters;

		};
		return attachmentFilters;
	}

	var date;
	var hasRequiredDate;

	function requireDate () {
		if (hasRequiredDate) return date;
		hasRequiredDate = 1;
		date = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			DateFilter;

		/**
		 * A filter dropdown for month/dates.
		 *
		 * @memberOf wp.media.view.AttachmentFilters
		 *
		 * @class
		 * @augments wp.media.view.AttachmentFilters
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		DateFilter = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Date.prototype */{
			id: 'media-attachment-date-filters',

			createFilters: function() {
				var filters = {};
				_.each( wp.media.view.settings.months || {}, function( value, index ) {
					filters[ index ] = {
						text: value.text,
						props: {
							year: value.year,
							monthnum: value.month
						}
					};
				});
				filters.all = {
					text:  l10n.allDates,
					props: {
						monthnum: false,
						year:  false
					},
					priority: 10
				};
				this.filters = filters;
			}
		});

		return DateFilter;

		};
		return date;
	}

	var uploaded;
	var hasRequiredUploaded;

	function requireUploaded () {
		if (hasRequiredUploaded) return uploaded;
		hasRequiredUploaded = 1;
		uploaded = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			Uploaded;

		/**
		 * wp.media.view.AttachmentFilters.Uploaded
		 *
		 * @memberOf wp.media.view.AttachmentFilters
		 *
		 * @class
		 * @augments wp.media.view.AttachmentFilters
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Uploaded = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Uploaded.prototype */{
			createFilters: function() {
				var type = this.model.get('type'),
					types = wp.media.view.settings.mimeTypes,
					uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0,
					text;

				if ( types && type ) {
					text = types[ type ];
				}

				this.filters = {
					all: {
						text:  text || l10n.allMediaItems,
						props: {
							uploadedTo: null,
							orderby: 'date',
							order:   'DESC',
							author:	 null
						},
						priority: 10
					},

					uploaded: {
						text:  l10n.uploadedToThisPost,
						props: {
							uploadedTo: wp.media.view.settings.post.id,
							orderby: 'menuOrder',
							order:   'ASC',
							author:	 null
						},
						priority: 20
					},

					unattached: {
						text:  l10n.unattached,
						props: {
							uploadedTo: 0,
							orderby: 'menuOrder',
							order:   'ASC',
							author:	 null
						},
						priority: 50
					}
				};

				if ( uid ) {
					this.filters.mine = {
						text:  l10n.mine,
						props: {
							orderby: 'date',
							order:   'DESC',
							author:  uid
						},
						priority: 50
					};
				}
			}
		});

		return Uploaded;

		};
		return uploaded;
	}

	var all;
	var hasRequiredAll;

	function requireAll () {
		if (hasRequiredAll) return all;
		hasRequiredAll = 1;
		all = function() { // ClassicPress: defer loading via require()

		var l10n = wp.media.view.l10n,
			All;

		/**
		 * wp.media.view.AttachmentFilters.All
		 *
		 * @memberOf wp.media.view.AttachmentFilters
		 *
		 * @class
		 * @augments wp.media.view.AttachmentFilters
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		All = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.All.prototype */{
			createFilters: function() {
				var filters = {},
					uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0;

				_.each( wp.media.view.settings.mimeTypes || {}, function( text, key ) {
					filters[ key ] = {
						text: text,
						props: {
							status:  null,
							type:    key,
							uploadedTo: null,
							orderby: 'date',
							order:   'DESC',
							author:  null
						}
					};
				});

				filters.all = {
					text:  l10n.allMediaItems,
					props: {
						status:  null,
						type:    null,
						uploadedTo: null,
						orderby: 'date',
						order:   'DESC',
						author:  null
					},
					priority: 10
				};

				if ( wp.media.view.settings.post.id ) {
					filters.uploaded = {
						text:  l10n.uploadedToThisPost,
						props: {
							status:  null,
							type:    null,
							uploadedTo: wp.media.view.settings.post.id,
							orderby: 'menuOrder',
							order:   'ASC',
							author:  null
						},
						priority: 20
					};
				}

				filters.unattached = {
					text:  l10n.unattached,
					props: {
						status:     null,
						uploadedTo: 0,
						type:       null,
						orderby:    'menuOrder',
						order:      'ASC',
						author:     null
					},
					priority: 50
				};

				if ( uid ) {
					filters.mine = {
						text:  l10n.mine,
						props: {
							status:		null,
							type:		null,
							uploadedTo:	null,
							orderby:	'date',
							order:		'DESC',
							author:		uid
						},
						priority: 50
					};
				}

				if ( wp.media.view.settings.mediaTrash &&
					this.controller.isModeActive( 'grid' ) ) {

					filters.trash = {
						text:  l10n.trash,
						props: {
							uploadedTo: null,
							status:     'trash',
							type:       null,
							orderby:    'date',
							order:      'DESC',
							author:     null
						},
						priority: 50
					};
				}

				this.filters = filters;
			}
		});

		return All;

		};
		return all;
	}

	var browser;
	var hasRequiredBrowser;

	function requireBrowser () {
		if (hasRequiredBrowser) return browser;
		hasRequiredBrowser = 1;
		browser = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			mediaTrash = wp.media.view.settings.mediaTrash,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			AttachmentsBrowser,
			infiniteScrolling = wp.media.view.settings.infiniteScrolling,
			__ = wp.i18n.__,
			sprintf = wp.i18n.sprintf;

		/**
		 * wp.media.view.AttachmentsBrowser
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 *
		 * @param {object}         [options]               The options hash passed to the view.
		 * @param {boolean|string} [options.filters=false] Which filters to show in the browser's toolbar.
		 *                                                 Accepts 'uploaded' and 'all'.
		 * @param {boolean}        [options.search=true]   Whether to show the search interface in the
		 *                                                 browser's toolbar.
		 * @param {boolean}        [options.date=true]     Whether to show the date filter in the
		 *                                                 browser's toolbar.
		 * @param {boolean}        [options.display=false] Whether to show the attachments display settings
		 *                                                 view in the sidebar.
		 * @param {boolean|string} [options.sidebar=true]  Whether to create a sidebar for the browser.
		 *                                                 Accepts true, false, and 'errors'.
		 */
		AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.prototype */{
			tagName:   'div',
			className: 'attachments-browser',

			initialize: function() {
				_.defaults( this.options, {
					filters: false,
					search:  true,
					date:    true,
					display: false,
					sidebar: true,
					AttachmentView: wp.media.view.Attachment.Library
				});

				this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
				this.controller.on( 'edit:selection', this.editSelection );

				// In the Media Library, the sidebar is used to display errors before the attachments grid.
				if ( this.options.sidebar && 'errors' === this.options.sidebar ) {
					this.createSidebar();
				}

				/*
				 * In the grid mode (the Media Library), place the Inline Uploader before
				 * other sections so that the visual order and the DOM order match. This way,
				 * the Inline Uploader in the Media Library is right after the "Add New"
				 * button, see ticket #37188.
				 */
				if ( this.controller.isModeActive( 'grid' ) ) {
					this.createUploader();

					/*
					 * Create a multi-purpose toolbar. Used as main toolbar in the Media Library
					 * and also for other things, for example the "Drag and drop to reorder" and
					 * "Suggested dimensions" info in the media modal.
					 */
					this.createToolbar();
				} else {
					this.createToolbar();
					this.createUploader();
				}

				// Add a heading before the attachments list.
				this.createAttachmentsHeading();

				// Create the attachments wrapper view.
				this.createAttachmentsWrapperView();

				if ( ! infiniteScrolling ) {
					this.$el.addClass( 'has-load-more' );
					this.createLoadMoreView();
				}

				// For accessibility reasons, place the normal sidebar after the attachments, see ticket #36909.
				if ( this.options.sidebar && 'errors' !== this.options.sidebar ) {
					this.createSidebar();
				}

				this.updateContent();

				if ( ! infiniteScrolling ) {
					this.updateLoadMoreView();
				}

				if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
					this.$el.addClass( 'hide-sidebar' );

					if ( 'errors' === this.options.sidebar ) {
						this.$el.addClass( 'sidebar-for-errors' );
					}
				}

				this.collection.on( 'add remove reset', this.updateContent, this );

				if ( ! infiniteScrolling ) {
					this.collection.on( 'add remove reset', this.updateLoadMoreView, this );
				}

				// The non-cached or cached attachments query has completed.
				this.collection.on( 'attachments:received', this.announceSearchResults, this );
			},

			/**
			 * Updates the `wp.a11y.speak()` ARIA live region with a message to communicate
			 * the number of search results to screen reader users. This function is
			 * debounced because the collection updates multiple times.
			 *
			 * @since 5.3.0
			 *
			 * @return {void}
			 */
			announceSearchResults: _.debounce( function() {
				var count,
					/* translators: Accessibility text. %d: Number of attachments found in a search. */
					mediaFoundHasMoreResultsMessage = __( 'Number of media items displayed: %d. Click load more for more results.' );

				if ( infiniteScrolling ) {
					/* translators: Accessibility text. %d: Number of attachments found in a search. */
					mediaFoundHasMoreResultsMessage = __( 'Number of media items displayed: %d. Scroll the page for more results.' );
				}

				if ( this.collection.mirroring && this.collection.mirroring.args.s ) {
					count = this.collection.length;

					if ( 0 === count ) {
						wp.a11y.speak( l10n.noMediaTryNewSearch );
						return;
					}

					if ( this.collection.hasMore() ) {
						wp.a11y.speak( mediaFoundHasMoreResultsMessage.replace( '%d', count ) );
						return;
					}

					wp.a11y.speak( l10n.mediaFound.replace( '%d', count ) );
				}
			}, 200 ),

			editSelection: function( modal ) {
				// When editing a selection, move focus to the "Go to library" button.
				modal.$( '.media-button-backToLibrary' ).focus();
			},

			/**
			 * @return {wp.media.view.AttachmentsBrowser} Returns itself to allow chaining.
			 */
			dispose: function() {
				this.options.selection.off( null, null, this );
				View.prototype.dispose.apply( this, arguments );
				return this;
			},

			createToolbar: function() {
				var LibraryViewSwitcher, Filters, toolbarOptions,
					showFilterByType = -1 !== $.inArray( this.options.filters, [ 'uploaded', 'all' ] );

				toolbarOptions = {
					controller: this.controller
				};

				if ( this.controller.isModeActive( 'grid' ) ) {
					toolbarOptions.className = 'media-toolbar wp-filter';
				}

				/**
				* @member {wp.media.view.Toolbar}
				*/
				this.toolbar = new wp.media.view.Toolbar( toolbarOptions );

				this.views.add( this.toolbar );

				this.toolbar.set( 'spinner', new wp.media.view.Spinner({
					priority: -20
				}) );

				if ( showFilterByType || this.options.date ) {
					/*
					 * Create a h2 heading before the select elements that filter attachments.
					 * This heading is visible in the modal and visually hidden in the grid.
					 */
					this.toolbar.set( 'filters-heading', new wp.media.view.Heading( {
						priority:   -100,
						text:       l10n.filterAttachments,
						level:      'h2',
						className:  'media-attachments-filter-heading'
					}).render() );
				}

				if ( showFilterByType ) {
					// "Filters" is a <select>, a visually hidden label element needs to be rendered before.
					this.toolbar.set( 'filtersLabel', new wp.media.view.Label({
						value: l10n.filterByType,
						attributes: {
							'for':  'media-attachment-filters'
						},
						priority:   -80
					}).render() );

					if ( 'uploaded' === this.options.filters ) {
						this.toolbar.set( 'filters', new wp.media.view.AttachmentFilters.Uploaded({
							controller: this.controller,
							model:      this.collection.props,
							priority:   -80
						}).render() );
					} else {
						Filters = new wp.media.view.AttachmentFilters.All({
							controller: this.controller,
							model:      this.collection.props,
							priority:   -80
						});

						this.toolbar.set( 'filters', Filters.render() );
					}
				}

				/*
				 * Feels odd to bring the global media library switcher into the Attachment browser view.
				 * Is this a use case for doAction( 'add:toolbar-items:attachments-browser', this.toolbar );
				 * which the controller can tap into and add this view?
				 */
				if ( this.controller.isModeActive( 'grid' ) ) {
					LibraryViewSwitcher = View.extend({
						className: 'view-switch media-grid-view-switch',
						template: wp.template( 'media-library-view-switcher')
					});

					this.toolbar.set( 'libraryViewSwitcher', new LibraryViewSwitcher({
						controller: this.controller,
						priority: -90
					}).render() );

					// DateFilter is a <select>, a visually hidden label element needs to be rendered before.
					this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
						value: l10n.filterByDate,
						attributes: {
							'for': 'media-attachment-date-filters'
						},
						priority: -75
					}).render() );
					this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
						controller: this.controller,
						model:      this.collection.props,
						priority: -75
					}).render() );

					// BulkSelection is a <div> with subviews, including screen reader text.
					this.toolbar.set( 'selectModeToggleButton', new wp.media.view.SelectModeToggleButton({
						text: l10n.bulkSelect,
						controller: this.controller,
						priority: -70
					}).render() );

					this.toolbar.set( 'deleteSelectedButton', new wp.media.view.DeleteSelectedButton({
						filters: Filters,
						style: 'primary',
						disabled: true,
						text: mediaTrash ? l10n.trashSelected : l10n.deletePermanently,
						controller: this.controller,
						priority: -80,
						click: function() {
							var changed = [], removed = [],
								selection = this.controller.state().get( 'selection' ),
								library = this.controller.state().get( 'library' );

							if ( ! selection.length ) {
								return;
							}

							if ( ! mediaTrash && ! window.confirm( l10n.warnBulkDelete ) ) {
								return;
							}

							if ( mediaTrash &&
								'trash' !== selection.at( 0 ).get( 'status' ) &&
								! window.confirm( l10n.warnBulkTrash ) ) {

								return;
							}

							selection.each( function( model ) {
								if ( ! model.get( 'nonces' )['delete'] ) {
									removed.push( model );
									return;
								}

								if ( mediaTrash && 'trash' === model.get( 'status' ) ) {
									model.set( 'status', 'inherit' );
									changed.push( model.save() );
									removed.push( model );
								} else if ( mediaTrash ) {
									model.set( 'status', 'trash' );
									changed.push( model.save() );
									removed.push( model );
								} else {
									model.destroy({wait: true});
								}
							} );

							if ( changed.length ) {
								selection.remove( removed );

								$.when.apply( null, changed ).then( _.bind( function() {
									library._requery( true );
									this.controller.trigger( 'selection:action:done' );
								}, this ) );
							} else {
								this.controller.trigger( 'selection:action:done' );
							}
						}
					}).render() );

					if ( mediaTrash ) {
						this.toolbar.set( 'deleteSelectedPermanentlyButton', new wp.media.view.DeleteSelectedPermanentlyButton({
							filters: Filters,
							style: 'link button-link-delete',
							disabled: true,
							text: l10n.deletePermanently,
							controller: this.controller,
							priority: -55,
							click: function() {
								var removed = [],
									destroy = [],
									selection = this.controller.state().get( 'selection' );

								if ( ! selection.length || ! window.confirm( l10n.warnBulkDelete ) ) {
									return;
								}

								selection.each( function( model ) {
									if ( ! model.get( 'nonces' )['delete'] ) {
										removed.push( model );
										return;
									}

									destroy.push( model );
								} );

								if ( removed.length ) {
									selection.remove( removed );
								}

								if ( destroy.length ) {
									$.when.apply( null, destroy.map( function (item) {
										return item.destroy();
									} ) ).then( _.bind( function() {
										this.controller.trigger( 'selection:action:done' );
									}, this ) );
								}
							}
						}).render() );
					}

				} else if ( this.options.date ) {
					// DateFilter is a <select>, a visually hidden label element needs to be rendered before.
					this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
						value: l10n.filterByDate,
						attributes: {
							'for': 'media-attachment-date-filters'
						},
						priority: -75
					}).render() );
					this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
						controller: this.controller,
						model:      this.collection.props,
						priority: -75
					}).render() );
				}

				if ( this.options.search ) {
					// Search is an input, a visually hidden label element needs to be rendered before.
					this.toolbar.set( 'searchLabel', new wp.media.view.Label({
						value: l10n.searchLabel,
						className: 'media-search-input-label',
						attributes: {
							'for': 'media-search-input'
						},
						priority:   60
					}).render() );
					this.toolbar.set( 'search', new wp.media.view.Search({
						controller: this.controller,
						model:      this.collection.props,
						priority:   60
					}).render() );
				}

				if ( this.options.dragInfo ) {
					this.toolbar.set( 'dragInfo', new View({
						el: $( '<div class="instructions">' + l10n.dragInfo + '</div>' )[0],
						priority: -40
					}) );
				}

				if ( this.options.suggestedWidth && this.options.suggestedHeight ) {
					this.toolbar.set( 'suggestedDimensions', new View({
						el: $( '<div class="instructions">' + l10n.suggestedDimensions.replace( '%1$s', this.options.suggestedWidth ).replace( '%2$s', this.options.suggestedHeight ) + '</div>' )[0],
						priority: -40
					}) );
				}
			},

			updateContent: function() {
				var view = this,
					noItemsView;

				if ( this.controller.isModeActive( 'grid' ) ) {
					// Usually the media library.
					noItemsView = view.attachmentsNoResults;
				} else {
					// Usually the media modal.
					noItemsView = view.uploader;
				}

				if ( ! this.collection.length ) {
					this.toolbar.get( 'spinner' ).show();
					this.dfd = this.collection.more().done( function() {
						if ( ! view.collection.length ) {
							noItemsView.$el.removeClass( 'hidden' );
						} else {
							noItemsView.$el.addClass( 'hidden' );
						}
						view.toolbar.get( 'spinner' ).hide();
					} );
				} else {
					noItemsView.$el.addClass( 'hidden' );
					view.toolbar.get( 'spinner' ).hide();
				}
			},

			createUploader: function() {
				this.uploader = new wp.media.view.UploaderInline({
					controller: this.controller,
					status:     false,
					message:    this.controller.isModeActive( 'grid' ) ? '' : l10n.noItemsFound,
					canClose:   this.controller.isModeActive( 'grid' )
				});

				this.uploader.$el.addClass( 'hidden' );
				this.views.add( this.uploader );
			},

			toggleUploader: function() {
				if ( this.uploader.$el.hasClass( 'hidden' ) ) {
					this.uploader.show();
				} else {
					this.uploader.hide();
				}
			},

			/**
			 * Creates the Attachments wrapper view.
			 *
			 * @since 5.8.0
			 *
			 * @return {void}
			 */
			createAttachmentsWrapperView: function() {
				this.attachmentsWrapper = new wp.media.View( {
					className: 'attachments-wrapper'
				} );

				// Create the list of attachments.
				this.views.add( this.attachmentsWrapper );
				this.createAttachments();
			},

			createAttachments: function() {
				this.attachments = new wp.media.view.Attachments({
					controller:           this.controller,
					collection:           this.collection,
					selection:            this.options.selection,
					model:                this.model,
					sortable:             this.options.sortable,
					scrollElement:        this.options.scrollElement,
					idealColumnWidth:     this.options.idealColumnWidth,

					// The single `Attachment` view to be used in the `Attachments` view.
					AttachmentView: this.options.AttachmentView
				});

				// Add keydown listener to the instance of the Attachments view.
				this.controller.on( 'attachment:keydown:arrow',     _.bind( this.attachments.arrowEvent, this.attachments ) );
				this.controller.on( 'attachment:details:shift-tab', _.bind( this.attachments.restoreFocus, this.attachments ) );

				this.views.add( '.attachments-wrapper', this.attachments );

				if ( this.controller.isModeActive( 'grid' ) ) {
					this.attachmentsNoResults = new View({
						controller: this.controller,
						tagName: 'p'
					});

					this.attachmentsNoResults.$el.addClass( 'hidden no-media' );
					this.attachmentsNoResults.$el.html( l10n.noMedia );

					this.views.add( this.attachmentsNoResults );
				}
			},

			/**
			 * Creates the load more button and attachments counter view.
			 *
			 * @since 5.8.0
			 *
			 * @return {void}
			 */
			createLoadMoreView: function() {
				var view = this;

				this.loadMoreWrapper = new View( {
					controller: this.controller,
					className: 'load-more-wrapper'
				} );

				this.loadMoreCount = new View( {
					controller: this.controller,
					tagName: 'p',
					className: 'load-more-count hidden'
				} );

				this.loadMoreButton = new wp.media.view.Button( {
					text: __( 'Load more' ),
					className: 'load-more hidden',
					style: 'primary',
					size: '',
					click: function() {
						view.loadMoreAttachments();
					}
				} );

				this.loadMoreSpinner = new wp.media.view.Spinner();

				this.loadMoreJumpToFirst = new wp.media.view.Button( {
					text: __( 'Jump to first loaded item' ),
					className: 'load-more-jump hidden',
					size: '',
					click: function() {
						view.jumpToFirstAddedItem();
					}
				} );

				this.views.add( '.attachments-wrapper', this.loadMoreWrapper );
				this.views.add( '.load-more-wrapper', this.loadMoreSpinner );
				this.views.add( '.load-more-wrapper', this.loadMoreCount );
				this.views.add( '.load-more-wrapper', this.loadMoreButton );
				this.views.add( '.load-more-wrapper', this.loadMoreJumpToFirst );
			},

			/**
			 * Updates the Load More view. This function is debounced because the
			 * collection updates multiple times at the add, remove, and reset events.
			 * We need it to run only once, after all attachments are added or removed.
			 *
			 * @since 5.8.0
			 *
			 * @return {void}
			 */
			updateLoadMoreView: _.debounce( function() {
				// Ensure the load more view elements are initially hidden at each update.
				this.loadMoreButton.$el.addClass( 'hidden' );
				this.loadMoreCount.$el.addClass( 'hidden' );
				this.loadMoreJumpToFirst.$el.addClass( 'hidden' ).prop( 'disabled', true );

				if ( ! this.collection.getTotalAttachments() ) {
					return;
				}

				if ( this.collection.length ) {
					this.loadMoreCount.$el.text(
						/* translators: 1: Number of displayed attachments, 2: Number of total attachments. */
						sprintf(
							__( 'Showing %1$s of %2$s media items' ),
							this.collection.length,
							this.collection.getTotalAttachments()
						)
					);

					this.loadMoreCount.$el.removeClass( 'hidden' );
				}

				/*
				 * Notice that while the collection updates multiple times hasMore() may
				 * return true when it's actually not true.
				 */
				if ( this.collection.hasMore() ) {
					this.loadMoreButton.$el.removeClass( 'hidden' );
				}

				// Find the media item to move focus to. The jQuery `eq()` index is zero-based.
				this.firstAddedMediaItem = this.$el.find( '.attachment' ).eq( this.firstAddedMediaItemIndex );

				// If there's a media item to move focus to, make the "Jump to" button available.
				if ( this.firstAddedMediaItem.length ) {
					this.firstAddedMediaItem.addClass( 'new-media' );
					this.loadMoreJumpToFirst.$el.removeClass( 'hidden' ).prop( 'disabled', false );
				}

				// If there are new items added, but no more to be added, move focus to Jump button.
				if ( this.firstAddedMediaItem.length && ! this.collection.hasMore() ) {
					this.loadMoreJumpToFirst.$el.trigger( 'focus' );
				}
			}, 10 ),

			/**
			 * Loads more attachments.
			 *
			 * @since 5.8.0
			 *
			 * @return {void}
			 */
			loadMoreAttachments: function() {
				var view = this;

				if ( ! this.collection.hasMore() ) {
					return;
				}

				/*
				 * The collection index is zero-based while the length counts the actual
				 * amount of items. Thus the length is equivalent to the position of the
				 * first added item.
				 */
				this.firstAddedMediaItemIndex = this.collection.length;

				this.$el.addClass( 'more-loaded' );
				this.collection.each( function( attachment ) {
					var attach_id = attachment.attributes.id;
					$( '[data-id="' + attach_id + '"]' ).addClass( 'found-media' );
				});

				view.loadMoreSpinner.show();
				this.collection.once( 'attachments:received', function() {
					view.loadMoreSpinner.hide();
				} );
				this.collection.more();
			},

			/**
			 * Moves focus to the first new added item.	.
			 *
			 * @since 5.8.0
			 *
			 * @return {void}
			 */
			jumpToFirstAddedItem: function() {
				// Set focus on first added item.
				this.firstAddedMediaItem.focus();
			},

			createAttachmentsHeading: function() {
				this.attachmentsHeading = new wp.media.view.Heading( {
					text: l10n.attachmentsList,
					level: 'h2',
					className: 'media-views-heading screen-reader-text'
				} );
				this.views.add( this.attachmentsHeading );
			},

			createSidebar: function() {
				var options = this.options,
					selection = options.selection,
					sidebar = this.sidebar = new wp.media.view.Sidebar({
						controller: this.controller
					});

				this.views.add( sidebar );

				if ( this.controller.uploader ) {
					sidebar.set( 'uploads', new wp.media.view.UploaderStatus({
						controller: this.controller,
						priority:   40
					}) );
				}

				selection.on( 'selection:single', this.createSingle, this );
				selection.on( 'selection:unsingle', this.disposeSingle, this );

				if ( selection.single() ) {
					this.createSingle();
				}
			},

			createSingle: function() {
				var sidebar = this.sidebar,
					single = this.options.selection.single();

				sidebar.set( 'details', new wp.media.view.Attachment.Details({
					controller: this.controller,
					model:      single,
					priority:   80
				}) );

				sidebar.set( 'compat', new wp.media.view.AttachmentCompat({
					controller: this.controller,
					model:      single,
					priority:   120
				}) );

				if ( this.options.display ) {
					sidebar.set( 'display', new wp.media.view.Settings.AttachmentDisplay({
						controller:   this.controller,
						model:        this.model.display( single ),
						attachment:   single,
						priority:     160,
						userSettings: this.model.get('displayUserSettings')
					}) );
				}

				// Show the sidebar on mobile.
				if ( this.model.id === 'insert' ) {
					sidebar.$el.addClass( 'visible' );
				}
			},

			disposeSingle: function() {
				var sidebar = this.sidebar;
				sidebar.unset('details');
				sidebar.unset('compat');
				sidebar.unset('display');
				// Hide the sidebar on mobile.
				sidebar.$el.removeClass( 'visible' );
			}
		});

		return AttachmentsBrowser;

		};
		return browser;
	}

	var selection$2;
	var hasRequiredSelection$2;

	function requireSelection$2 () {
		if (hasRequiredSelection$2) return selection$2;
		hasRequiredSelection$2 = 1;
		selection$2 = function() { // ClassicPress: defer loading via require()

		var _n = wp.i18n._n,
			sprintf = wp.i18n.sprintf,
			Selection;

		/**
		 * wp.media.view.Selection
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
			tagName:   'div',
			className: 'media-selection',
			template:  wp.template('media-selection'),

			events: {
				'click .edit-selection':  'edit',
				'click .clear-selection': 'clear'
			},

			initialize: function() {
				_.defaults( this.options, {
					editable:  false,
					clearable: true
				});

				/**
				 * @member {wp.media.view.Attachments.Selection}
				 */
				this.attachments = new wp.media.view.Attachments.Selection({
					controller: this.controller,
					collection: this.collection,
					selection:  this.collection,
					model:      new Backbone.Model()
				});

				this.views.set( '.selection-view', this.attachments );
				this.collection.on( 'add remove reset', this.refresh, this );
				this.controller.on( 'content:activate', this.refresh, this );
			},

			ready: function() {
				this.refresh();
			},

			refresh: function() {
				// If the selection hasn't been rendered, bail.
				if ( ! this.$el.children().length ) {
					return;
				}

				var collection = this.collection,
					editing = 'edit-selection' === this.controller.content.mode();

				// If nothing is selected, display nothing.
				this.$el.toggleClass( 'empty', ! collection.length );
				this.$el.toggleClass( 'one', 1 === collection.length );
				this.$el.toggleClass( 'editing', editing );

				this.$( '.count' ).text(
					/* translators: %s: Number of selected media attachments. */
					sprintf( _n( '%s item selected', '%s items selected', collection.length ), collection.length )
				);
			},

			edit: function( event ) {
				event.preventDefault();
				if ( this.options.editable ) {
					this.options.editable.call( this, this.collection );
				}
			},

			clear: function( event ) {
				event.preventDefault();
				this.collection.reset();

				// Move focus to the modal.
				this.controller.modal.focusManager.focus();
			}
		});

		return Selection;

		};
		return selection$2;
	}

	var selection$1;
	var hasRequiredSelection$1;

	function requireSelection$1 () {
		if (hasRequiredSelection$1) return selection$1;
		hasRequiredSelection$1 = 1;
		selection$1 = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Attachment.Selection
		 *
		 * @memberOf wp.media.view.Attachment
		 *
		 * @class
		 * @augments wp.media.view.Attachment
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Selection = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Selection.prototype */{
			className: 'attachment selection',

			// On click, just select the model, instead of removing the model from
			// the selection.
			toggleSelection: function() {
				this.options.selection.single( this.model );
			}
		});

		return Selection;

		};
		return selection$1;
	}

	var selection;
	var hasRequiredSelection;

	function requireSelection () {
		if (hasRequiredSelection) return selection;
		hasRequiredSelection = 1;
		selection = function() { // ClassicPress: defer loading via require()

		var Attachments = wp.media.view.Attachments,
			Selection;

		/**
		 * wp.media.view.Attachments.Selection
		 *
		 * @memberOf wp.media.view.Attachments
		 *
		 * @class
		 * @augments wp.media.view.Attachments
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Selection = Attachments.extend(/** @lends wp.media.view.Attachments.Selection.prototype */{
			events: {},
			initialize: function() {
				_.defaults( this.options, {
					sortable:   false,
					resize:     false,

					// The single `Attachment` view to be used in the `Attachments` view.
					AttachmentView: wp.media.view.Attachment.Selection
				});
				// Call 'initialize' directly on the parent class.
				return Attachments.prototype.initialize.apply( this, arguments );
			}
		});

		return Selection;

		};
		return selection;
	}

	var editSelection;
	var hasRequiredEditSelection;

	function requireEditSelection () {
		if (hasRequiredEditSelection) return editSelection;
		hasRequiredEditSelection = 1;
		editSelection = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Attachment.EditSelection
		 *
		 * @memberOf wp.media.view.Attachment
		 *
		 * @class
		 * @augments wp.media.view.Attachment.Selection
		 * @augments wp.media.view.Attachment
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var EditSelection = wp.media.view.Attachment.Selection.extend(/** @lends wp.media.view.Attachment.EditSelection.prototype */{
			buttons: {
				close: true
			}
		});

		return EditSelection;

		};
		return editSelection;
	}

	var settings;
	var hasRequiredSettings;

	function requireSettings () {
		if (hasRequiredSettings) return settings;
		hasRequiredSettings = 1;
		settings = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			$ = Backbone.$,
			Settings;

		/**
		 * wp.media.view.Settings
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Settings = View.extend(/** @lends wp.media.view.Settings.prototype */{
			events: {
				'click button':    'updateHandler',
				'change input':    'updateHandler',
				'change select':   'updateHandler',
				'change textarea': 'updateHandler'
			},

			initialize: function() {
				this.model = this.model || new Backbone.Model();
				this.listenTo( this.model, 'change', this.updateChanges );
			},

			prepare: function() {
				return _.defaults({
					model: this.model.toJSON()
				}, this.options );
			},
			/**
			 * @return {wp.media.view.Settings} Returns itself to allow chaining.
			 */
			render: function() {
				View.prototype.render.apply( this, arguments );
				// Select the correct values.
				_( this.model.attributes ).chain().keys().each( this.update, this );
				return this;
			},
			/**
			 * @param {string} key
			 */
			update: function( key ) {
				var value = this.model.get( key ),
					$setting = this.$('[data-setting="' + key + '"]'),
					$buttons, $value;

				// Bail if we didn't find a matching setting.
				if ( ! $setting.length ) {
					return;
				}

				// Attempt to determine how the setting is rendered and update
				// the selected value.

				// Handle dropdowns.
				if ( $setting.is('select') ) {
					$value = $setting.find('[value="' + value + '"]');

					if ( $value.length ) {
						$setting.find('option').prop( 'selected', false );
						$value.prop( 'selected', true );
					} else {
						// If we can't find the desired value, record what *is* selected.
						this.model.set( key, $setting.find(':selected').val() );
					}

				// Handle button groups.
				} else if ( $setting.hasClass('button-group') ) {
					$buttons = $setting.find( 'button' )
						.removeClass( 'active' )
						.attr( 'aria-pressed', 'false' );
					$buttons.filter( '[value="' + value + '"]' )
						.addClass( 'active' )
						.attr( 'aria-pressed', 'true' );

				// Handle text inputs and textareas.
				} else if ( $setting.is('input[type="text"], textarea') ) {
					if ( ! $setting.is(':focus') ) {
						$setting.val( value );
					}
				// Handle checkboxes.
				} else if ( $setting.is('input[type="checkbox"]') ) {
					$setting.prop( 'checked', !! value && 'false' !== value );
				}
			},
			/**
			 * @param {Object} event
			 */
			updateHandler: function( event ) {
				var $setting = $( event.target ).closest('[data-setting]'),
					value = event.target.value,
					userSetting;

				event.preventDefault();

				if ( ! $setting.length ) {
					return;
				}

				// Use the correct value for checkboxes.
				if ( $setting.is('input[type="checkbox"]') ) {
					value = $setting[0].checked;
				}

				// Update the corresponding setting.
				this.model.set( $setting.data('setting'), value );

				// If the setting has a corresponding user setting,
				// update that as well.
				userSetting = $setting.data('userSetting');
				if ( userSetting ) {
					window.setUserSetting( userSetting, value );
				}
			},

			updateChanges: function( model ) {
				if ( model.hasChanged() ) {
					_( model.changed ).chain().keys().each( this.update, this );
				}
			}
		});

		return Settings;

		};
		return settings;
	}

	var attachmentDisplay;
	var hasRequiredAttachmentDisplay;

	function requireAttachmentDisplay () {
		if (hasRequiredAttachmentDisplay) return attachmentDisplay;
		hasRequiredAttachmentDisplay = 1;
		attachmentDisplay = function() { // ClassicPress: defer loading via require()

		var Settings = wp.media.view.Settings,
			AttachmentDisplay;

		/**
		 * wp.media.view.Settings.AttachmentDisplay
		 *
		 * @memberOf wp.media.view.Settings
		 *
		 * @class
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		AttachmentDisplay = Settings.extend(/** @lends wp.media.view.Settings.AttachmentDisplay.prototype */{
			className: 'attachment-display-settings',
			template:  wp.template('attachment-display-settings'),

			initialize: function() {
				var attachment = this.options.attachment;

				_.defaults( this.options, {
					userSettings: false
				});
				// Call 'initialize' directly on the parent class.
				Settings.prototype.initialize.apply( this, arguments );
				this.listenTo( this.model, 'change:link', this.updateLinkTo );

				if ( attachment ) {
					attachment.on( 'change:uploading', this.render, this );
				}
			},

			dispose: function() {
				var attachment = this.options.attachment;
				if ( attachment ) {
					attachment.off( null, null, this );
				}
				/**
				 * call 'dispose' directly on the parent class
				 */
				Settings.prototype.dispose.apply( this, arguments );
			},
			/**
			 * @return {wp.media.view.AttachmentDisplay} Returns itself to allow chaining.
			 */
			render: function() {
				var attachment = this.options.attachment;
				if ( attachment ) {
					_.extend( this.options, {
						sizes: attachment.get('sizes'),
						type:  attachment.get('type')
					});
				}
				/**
				 * call 'render' directly on the parent class
				 */
				Settings.prototype.render.call( this );
				this.updateLinkTo();
				return this;
			},

			updateLinkTo: function() {
				var linkTo = this.model.get('link'),
					$input = this.$('.link-to-custom'),
					attachment = this.options.attachment;

				if ( 'none' === linkTo || 'embed' === linkTo || ( ! attachment && 'custom' !== linkTo ) ) {
					$input.closest( '.setting' ).addClass( 'hidden' );
					return;
				}

				if ( attachment ) {
					if ( 'post' === linkTo ) {
						$input.val( attachment.get('link') );
					} else if ( 'file' === linkTo ) {
						$input.val( attachment.get('url') );
					} else if ( ! this.model.get('linkUrl') ) {
						$input.val('http://');
					}

					$input.prop( 'readonly', 'custom' !== linkTo );
				}

				$input.closest( '.setting' ).removeClass( 'hidden' );
				if ( $input.length ) {
					$input[0].scrollIntoView();
				}
			}
		});

		return AttachmentDisplay;

		};
		return attachmentDisplay;
	}

	var gallery;
	var hasRequiredGallery;

	function requireGallery () {
		if (hasRequiredGallery) return gallery;
		hasRequiredGallery = 1;
		gallery = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Settings.Gallery
		 *
		 * @memberOf wp.media.view.Settings
		 *
		 * @class
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Gallery = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Gallery.prototype */{
			className: 'collection-settings gallery-settings',
			template:  wp.template('gallery-settings')
		});

		return Gallery;

		};
		return gallery;
	}

	var playlist;
	var hasRequiredPlaylist;

	function requirePlaylist () {
		if (hasRequiredPlaylist) return playlist;
		hasRequiredPlaylist = 1;
		playlist = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Settings.Playlist
		 *
		 * @memberOf wp.media.view.Settings
		 *
		 * @class
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Playlist = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Playlist.prototype */{
			className: 'collection-settings playlist-settings',
			template:  wp.template('playlist-settings')
		});

		return Playlist;

		};
		return playlist;
	}

	var details;
	var hasRequiredDetails;

	function requireDetails () {
		if (hasRequiredDetails) return details;
		hasRequiredDetails = 1;
		details = function() { // ClassicPress: defer loading via require()

		var Attachment = wp.media.view.Attachment,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			Details,
			__ = wp.i18n.__;

		Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototype */{
			tagName:   'div',
			className: 'attachment-details',
			template:  wp.template('attachment-details'),

			/*
			 * Reset all the attributes inherited from Attachment including role=checkbox,
			 * tabindex, etc., as they are inappropriate for this view. See #47458 and [30483] / #30390.
			 */
			attributes: {},

			events: {
				'change [data-setting]':          'updateSetting',
				'change [data-setting] input':    'updateSetting',
				'change [data-setting] select':   'updateSetting',
				'change [data-setting] textarea': 'updateSetting',
				'click .delete-attachment':       'deleteAttachment',
				'click .trash-attachment':        'trashAttachment',
				'click .untrash-attachment':      'untrashAttachment',
				'click .edit-attachment':         'editAttachment',
				'click .copy-attachment-url':     'copyAttachmentURL',
				'keydown':                        'toggleSelectionHandler'
			},

			/**
			 * Copies the attachment URL to the clipboard.
			 *
			 * @since CP-2.2.0
			 *
			 * @param {MouseEvent} event A click event.
			 *
			 * @return {void}
			 */
			copyAttachmentURL: function() {
				var successTimeout,
					copyURL = document.querySelector( '.copy-attachment-url' ),
					copyText = copyURL.parentNode.previousElementSibling.value,
					input = document.createElement( 'input' );

				if ( navigator.clipboard ) {
					navigator.clipboard.writeText( copyText );
				} else {
					document.body.append( input );
					input.value = copyText;
					input.select();
					document.execCommand( 'copy' );
				}

				// Show success visual feedback.
				clearTimeout( successTimeout );
				copyURL.nextElementSibling.classList.remove( 'hidden' );
				copyURL.nextElementSibling.setAttribute( 'aria-hidden', 'false' );
				input.remove();

				// Hide success visual feedback after 3 seconds since last success and unfocus the trigger.
				successTimeout = setTimeout( function() {
					copyURL.nextElementSibling.classList.add( 'hidden' );
					copyURL.nextElementSibling.setAttribute( 'aria-hidden', 'true' );
				}, 3000 );

				// Handle success audible feedback.
				wp.a11y.speak( __( 'The file URL has been copied to your clipboard' ) );
			},

			/**
			 * Shows the details of an attachment.
			 *
			 * @since 3.5.0
			 *
			 * @constructs wp.media.view.Attachment.Details
			 * @augments wp.media.view.Attachment
			 *
			 * @return {void}
			 */
			initialize: function() {
				this.options = _.defaults( this.options, {
					rerenderOnModelChange: false
				});

				// Call 'initialize' directly on the parent class.
				Attachment.prototype.initialize.apply( this, arguments );
			},

			/**
			 * Gets the focusable elements to move focus to.
			 *
			 * @since 5.3.0
			 */
			getFocusableElements: function() {
				var editedAttachment = $( 'li[data-id="' + this.model.id + '"]' );

				this.previousAttachment = editedAttachment.prev();
				this.nextAttachment = editedAttachment.next();
			},

			/**
			 * Moves focus to the previous or next attachment in the grid.
			 * Fallbacks to the upload button or media frame when there are no attachments.
			 *
			 * @since 5.3.0
			 */
			moveFocus: function() {
				if ( this.previousAttachment.length ) {
					this.previousAttachment.trigger( 'focus' );
					return;
				}

				if ( this.nextAttachment.length ) {
					this.nextAttachment.trigger( 'focus' );
					return;
				}

				// Fallback: move focus to the "Select Files" button in the media modal.
				if ( this.controller.uploader && this.controller.uploader.$browser ) {
					this.controller.uploader.$browser.trigger( 'focus' );
					return;
				}

				// Last fallback.
				this.moveFocusToLastFallback();
			},

			/**
			 * Moves focus to the media frame as last fallback.
			 *
			 * @since 5.3.0
			 */
			moveFocusToLastFallback: function() {
				// Last fallback: make the frame focusable and move focus to it.
				$( '.media-frame' )
					.attr( 'tabindex', '-1' )
					.trigger( 'focus' );
			},

			/**
			 * Deletes an attachment.
			 *
			 * Deletes an attachment after asking for confirmation. After deletion,
			 * keeps focus in the modal.
			 *
			 * @since 3.5.0
			 *
			 * @param {MouseEvent} event A click event.
			 *
			 * @return {void}
			 */
			deleteAttachment: function( event ) {
				event.preventDefault();

				this.getFocusableElements();

				if ( window.confirm( l10n.warnDelete ) ) {
					this.model.destroy( {
						wait: true,
						error: function() {
							window.alert( l10n.errorDeleting );
						}
					} );

					this.moveFocus();
				}
			},

			/**
			 * Sets the Trash state on an attachment, or destroys the model itself.
			 *
			 * If the mediaTrash setting is set to true, trashes the attachment.
			 * Otherwise, the model itself is destroyed.
			 *
			 * @since 3.9.0
			 *
			 * @param {MouseEvent} event A click event.
			 *
			 * @return {void}
			 */
			trashAttachment: function( event ) {
				var library = this.controller.library,
					self = this;
				event.preventDefault();

				this.getFocusableElements();

				// When in the Media Library and the Media Trash is enabled.
				if ( wp.media.view.settings.mediaTrash &&
					'edit-metadata' === this.controller.content.mode() ) {

					this.model.set( 'status', 'trash' );
					this.model.save().done( function() {
						library._requery( true );
						/*
						 * @todo We need to move focus back to the previous, next, or first
						 * attachment but the library gets re-queried and refreshed.
						 * Thus, the references to the previous attachments are lost.
						 * We need an alternate method.
						 */
						self.moveFocusToLastFallback();
					} );
				} else {
					this.model.destroy();
					this.moveFocus();
				}
			},

			/**
			 * Untrashes an attachment.
			 *
			 * @since 4.0.0
			 *
			 * @param {MouseEvent} event A click event.
			 *
			 * @return {void}
			 */
			untrashAttachment: function( event ) {
				var library = this.controller.library;
				event.preventDefault();

				this.model.set( 'status', 'inherit' );
				this.model.save().done( function() {
					library._requery( true );
				} );
			},

			/**
			 * Opens the edit page for a specific attachment.
			 *
			 * @since 3.5.0
			 *
			 * @param {MouseEvent} event A click event.
			 *
			 * @return {void}
			 */
			editAttachment: function( event ) {
				var editState = this.controller.states.get( 'edit-image' );
				if ( window.imageEdit && editState ) {
					event.preventDefault();

					editState.set( 'image', this.model );
					this.controller.setState( 'edit-image' );
				} else {
					this.$el.addClass('needs-refresh');
				}
			},

			/**
			 * Triggers an event on the controller when reverse tabbing (shift+tab).
			 *
			 * This event can be used to make sure to move the focus correctly.
			 *
			 * @since 4.0.0
			 *
			 * @fires wp.media.controller.MediaLibrary#attachment:details:shift-tab
			 * @fires wp.media.controller.MediaLibrary#attachment:keydown:arrow
			 *
			 * @param {KeyboardEvent} event A keyboard event.
			 *
			 * @return {boolean|void} Returns false or undefined.
			 */
			toggleSelectionHandler: function( event ) {
				if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
					this.controller.trigger( 'attachment:details:shift-tab', event );
					return false;
				}
			},

			render: function() {
				Attachment.prototype.render.apply( this, arguments );

				wp.media.mixin.removeAllPlayers();
				this.$( 'audio, video' ).each( function (i, elem) {
					var el = wp.media.view.MediaDetails.prepareSrc( elem );
					new window.MediaElementPlayer( el, wp.media.mixin.mejsSettings );
				} );
			}
		});

		return Details;

		};
		return details;
	}

	var attachmentCompat;
	var hasRequiredAttachmentCompat;

	function requireAttachmentCompat () {
		if (hasRequiredAttachmentCompat) return attachmentCompat;
		hasRequiredAttachmentCompat = 1;
		attachmentCompat = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			AttachmentCompat;

		/**
		 * wp.media.view.AttachmentCompat
		 *
		 * A view to display fields added via the `attachment_fields_to_edit` filter.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		AttachmentCompat = View.extend(/** @lends wp.media.view.AttachmentCompat.prototype */{
			tagName:   'form',
			className: 'compat-item',

			events: {
				'submit':          'preventDefault',
				'change input':    'save',
				'change select':   'save',
				'change textarea': 'save'
			},

			/**
			 * @return {wp.media.view.AttachmentCompat} Returns itself to allow chaining.
			 */
			dispose: function() {
				if ( this.$(':focus').length ) {
					this.save();
				}
				/**
				 * call 'dispose' directly on the parent class
				 */
				return View.prototype.dispose.apply( this, arguments );
			},
			/**
			 * @return {wp.media.view.AttachmentCompat} Returns itself to allow chaining.
			 */
			render: function() {
				var compat = this.model.get('compat');
				if ( ! compat || ! compat.item ) {
					return;
				}

				this.views.detach();
				this.$el.html( compat.item );
				this.views.render();
				return this;
			},
			/**
			 * @param {Object} event
			 */
			preventDefault: function( event ) {
				event.preventDefault();
			},
			/**
			 * @param {Object} event
			 */
			save: function( event ) {
				var data = {};

				if ( event ) {
					event.preventDefault();
				}

				_.each( this.$el.serializeArray(), function( pair ) {
					data[ pair.name ] = pair.value;
				});

				this.controller.trigger( 'attachment:compat:waiting', ['waiting'] );
				this.model.saveCompat( data ).always( _.bind( this.postSave, this ) );
			},

			postSave: function() {
				this.controller.trigger( 'attachment:compat:ready', ['ready'] );
			}
		});

		return AttachmentCompat;

		};
		return attachmentCompat;
	}

	var iframe;
	var hasRequiredIframe;

	function requireIframe () {
		if (hasRequiredIframe) return iframe;
		hasRequiredIframe = 1;
		iframe = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Iframe
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Iframe = wp.media.View.extend(/** @lends wp.media.view.Iframe.prototype */{
			className: 'media-iframe',
			/**
			 * @return {wp.media.view.Iframe} Returns itself to allow chaining.
			 */
			render: function() {
				this.views.detach();
				this.$el.html( '<iframe src="' + this.controller.state().get('src') + '" />' );
				this.views.render();
				return this;
			}
		});

		return Iframe;

		};
		return iframe;
	}

	var embed;
	var hasRequiredEmbed;

	function requireEmbed () {
		if (hasRequiredEmbed) return embed;
		hasRequiredEmbed = 1;
		embed = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Embed
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Embed = wp.media.View.extend(/** @lends wp.media.view.Ember.prototype */{
			className: 'media-embed',

			initialize: function() {
				/**
				 * @member {wp.media.view.EmbedUrl}
				 */
				this.url = new wp.media.view.EmbedUrl({
					controller: this.controller,
					model:      this.model.props
				}).render();

				this.views.set([ this.url ]);
				this.refresh();
				this.listenTo( this.model, 'change:type', this.refresh );
				this.listenTo( this.model, 'change:loading', this.loading );
			},

			/**
			 * @param {Object} view
			 */
			settings: function( view ) {
				if ( this._settings ) {
					this._settings.remove();
				}
				this._settings = view;
				this.views.add( view );
			},

			refresh: function() {
				var type = this.model.get('type'),
					constructor;

				if ( 'image' === type ) {
					constructor = wp.media.view.EmbedImage;
				} else if ( 'link' === type ) {
					constructor = wp.media.view.EmbedLink;
				} else {
					return;
				}

				this.settings( new constructor({
					controller: this.controller,
					model:      this.model.props,
					priority:   40
				}) );
			},

			loading: function() {
				this.$el.toggleClass( 'embed-loading', this.model.get('loading') );
			}
		});

		return Embed;

		};
		return embed;
	}

	var label;
	var hasRequiredLabel;

	function requireLabel () {
		if (hasRequiredLabel) return label;
		hasRequiredLabel = 1;
		label = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Label
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Label = wp.media.View.extend(/** @lends wp.media.view.Label.prototype */{
			tagName: 'label',
			className: 'screen-reader-text',

			initialize: function() {
				this.value = this.options.value;
			},

			render: function() {
				this.$el.html( this.value );

				return this;
			}
		});

		return Label;

		};
		return label;
	}

	var url;
	var hasRequiredUrl;

	function requireUrl () {
		if (hasRequiredUrl) return url;
		hasRequiredUrl = 1;
		url = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			$ = jQuery,
			l10n = wp.media.view.l10n,
			EmbedUrl;

		/**
		 * wp.media.view.EmbedUrl
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		EmbedUrl = View.extend(/** @lends wp.media.view.EmbedUrl.prototype */{
			tagName:   'span',
			className: 'embed-url',

			events: {
				'input': 'url'
			},

			initialize: function() {
				this.$input = $( '<input id="embed-url-field" type="url" />' )
					.attr( 'aria-label', l10n.insertFromUrlTitle )
					.val( this.model.get('url') );
				this.input = this.$input[0];

				this.spinner = $('<span class="spinner" />')[0];
				this.$el.append([ this.input, this.spinner ]);

				this.listenTo( this.model, 'change:url', this.render );

				if ( this.model.get( 'url' ) ) {
					_.delay( _.bind( function () {
						this.model.trigger( 'change:url' );
					}, this ), 500 );
				}
			},
			/**
			 * @return {wp.media.view.EmbedUrl} Returns itself to allow chaining.
			 */
			render: function() {
				var $input = this.$input;

				if ( $input.is(':focus') ) {
					return;
				}

				if ( this.model.get( 'url' ) ) {
					this.input.value = this.model.get('url');
				} else {
					this.input.setAttribute( 'placeholder', 'https://' );
				}

				/**
				 * Call `render` directly on parent class with passed arguments
				 */
				View.prototype.render.apply( this, arguments );
				return this;
			},

			url: function( event ) {
				var url = event.target.value || '';
				this.model.set( 'url', url.trim() );
			}
		});

		return EmbedUrl;

		};
		return url;
	}

	var link;
	var hasRequiredLink;

	function requireLink () {
		if (hasRequiredLink) return link;
		hasRequiredLink = 1;
		link = function() { // ClassicPress: defer loading via require()

		var $ = jQuery,
			EmbedLink;

		/**
		 * wp.media.view.EmbedLink
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		EmbedLink = wp.media.view.Settings.extend(/** @lends wp.media.view.EmbedLink.prototype */{
			className: 'embed-link-settings',
			template:  wp.template('embed-link-settings'),

			initialize: function() {
				this.listenTo( this.model, 'change:url', this.updateoEmbed );
			},

			updateoEmbed: _.debounce( function() {
				var url = this.model.get( 'url' );

				// Clear out previous results.
				this.$('.embed-container').hide().find('.embed-preview').empty();
				this.$( '.setting' ).hide();

				// Only proceed with embed if the field contains more than 11 characters.
				// Example: http://a.io is 11 chars
				if ( url && ( url.length < 11 || ! url.match(/^http(s)?:\/\//) ) ) {
					return;
				}

				this.fetch();
			}, wp.media.controller.Embed.sensitivity ),

			fetch: function() {
				var url = this.model.get( 'url' ), re, youTubeEmbedMatch;

				// Check if they haven't typed in 500 ms.
				if ( $('#embed-url-field').val() !== url ) {
					return;
				}

				if ( this.dfd && 'pending' === this.dfd.state() ) {
					this.dfd.abort();
				}

				// Support YouTube embed urls, since they work once in the editor.
				re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
				youTubeEmbedMatch = re.exec( url );
				if ( youTubeEmbedMatch ) {
					url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
				}

				this.dfd = wp.apiRequest({
					url: wp.media.view.settings.oEmbedProxyUrl,
					data: {
						url: url,
						maxwidth: this.model.get( 'width' ),
						maxheight: this.model.get( 'height' )
					},
					type: 'GET',
					dataType: 'json',
					context: this
				})
					.done( function( response ) {
						this.renderoEmbed( {
							data: {
								body: response.html || ''
							}
						} );
					} )
					.fail( this.renderFail );
			},

			renderFail: function ( response, status ) {
				if ( 'abort' === status ) {
					return;
				}
				this.$( '.link-text' ).show();
			},

			renderoEmbed: function( response ) {
				var html = ( response && response.data && response.data.body ) || '';

				if ( html ) {
					this.$('.embed-container').show().find('.embed-preview').html( html );
				} else {
					this.renderFail();
				}
			}
		});

		return EmbedLink;

		};
		return link;
	}

	var image;
	var hasRequiredImage;

	function requireImage () {
		if (hasRequiredImage) return image;
		hasRequiredImage = 1;
		image = function() { // ClassicPress: defer loading via require()

		var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
			EmbedImage;

		/**
		 * wp.media.view.EmbedImage
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Settings.AttachmentDisplay
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		EmbedImage = AttachmentDisplay.extend(/** @lends wp.media.view.EmbedImage.prototype */{
			className: 'embed-media-settings',
			template:  wp.template('embed-image-settings'),

			initialize: function() {
				/**
				 * Call `initialize` directly on parent class with passed arguments
				 */
				AttachmentDisplay.prototype.initialize.apply( this, arguments );
				this.listenTo( this.model, 'change:url', this.updateImage );
			},

			updateImage: function() {
				this.$('img').attr( 'src', this.model.get('url') );
			}
		});

		return EmbedImage;

		};
		return image;
	}

	var imageDetails;
	var hasRequiredImageDetails;

	function requireImageDetails () {
		if (hasRequiredImageDetails) return imageDetails;
		hasRequiredImageDetails = 1;
		imageDetails = function() { // ClassicPress: defer loading via require()

		var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
			$ = jQuery,
			ImageDetails;

		/**
		 * wp.media.view.ImageDetails
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Settings.AttachmentDisplay
		 * @augments wp.media.view.Settings
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		ImageDetails = AttachmentDisplay.extend(/** @lends wp.media.view.ImageDetails.prototype */{
			className: 'image-details',
			template:  wp.template('image-details'),
			events: _.defaults( AttachmentDisplay.prototype.events, {
				'click .edit-attachment': 'editAttachment',
				'click .replace-attachment': 'replaceAttachment',
				'click .advanced-toggle': 'onToggleAdvanced',
				'change [data-setting="customWidth"]': 'onCustomSize',
				'change [data-setting="customHeight"]': 'onCustomSize',
				'keyup [data-setting="customWidth"]': 'onCustomSize',
				'keyup [data-setting="customHeight"]': 'onCustomSize'
			} ),
			initialize: function() {
				// Used in AttachmentDisplay.prototype.updateLinkTo.
				this.options.attachment = this.model.attachment;
				this.listenTo( this.model, 'change:url', this.updateUrl );
				this.listenTo( this.model, 'change:link', this.toggleLinkSettings );
				this.listenTo( this.model, 'change:size', this.toggleCustomSize );

				AttachmentDisplay.prototype.initialize.apply( this, arguments );
			},

			prepare: function() {
				var attachment = false;

				if ( this.model.attachment ) {
					attachment = this.model.attachment.toJSON();
				}
				return _.defaults({
					model: this.model.toJSON(),
					attachment: attachment
				}, this.options );
			},

			render: function() {
				var args = arguments;

				if ( this.model.attachment && 'pending' === this.model.dfd.state() ) {
					this.model.dfd
						.done( _.bind( function() {
							AttachmentDisplay.prototype.render.apply( this, args );
							this.postRender();
						}, this ) )
						.fail( _.bind( function() {
							this.model.attachment = false;
							AttachmentDisplay.prototype.render.apply( this, args );
							this.postRender();
						}, this ) );
				} else {
					AttachmentDisplay.prototype.render.apply( this, arguments );
					this.postRender();
				}

				return this;
			},

			postRender: function() {
				setTimeout( _.bind( this.scrollToTop, this ), 10 );
				this.toggleLinkSettings();
				if ( window.getUserSetting( 'advImgDetails' ) === 'show' ) {
					this.toggleAdvanced( true );
				}
				this.trigger( 'post-render' );
			},

			scrollToTop: function() {
				this.$( '.embed-media-settings' ).scrollTop( 0 );
			},

			updateUrl: function() {
				this.$( '.image img' ).attr( 'src', this.model.get( 'url' ) );
				this.$( '.url' ).val( this.model.get( 'url' ) );
			},

			toggleLinkSettings: function() {
				if ( this.model.get( 'link' ) === 'none' ) {
					this.$( '.link-settings' ).addClass('hidden');
				} else {
					this.$( '.link-settings' ).removeClass('hidden');
				}
			},

			toggleCustomSize: function() {
				if ( this.model.get( 'size' ) !== 'custom' ) {
					this.$( '.custom-size' ).addClass('hidden');
				} else {
					this.$( '.custom-size' ).removeClass('hidden');
				}
			},

			onCustomSize: function( event ) {
				var dimension = $( event.target ).data('setting'),
					num = $( event.target ).val(),
					value;

				// Ignore bogus input.
				if ( ! /^\d+/.test( num ) || parseInt( num, 10 ) < 1 ) {
					event.preventDefault();
					return;
				}

				if ( dimension === 'customWidth' ) {
					value = Math.round( 1 / this.model.get( 'aspectRatio' ) * num );
					this.model.set( 'customHeight', value, { silent: true } );
					this.$( '[data-setting="customHeight"]' ).val( value );
				} else {
					value = Math.round( this.model.get( 'aspectRatio' ) * num );
					this.model.set( 'customWidth', value, { silent: true  } );
					this.$( '[data-setting="customWidth"]' ).val( value );
				}
			},

			onToggleAdvanced: function( event ) {
				event.preventDefault();
				this.toggleAdvanced();
			},

			toggleAdvanced: function( show ) {
				var $advanced = this.$el.find( '.advanced-section' ),
					mode;

				if ( $advanced.hasClass('advanced-visible') || show === false ) {
					$advanced.removeClass('advanced-visible');
					$advanced.find('.advanced-settings').addClass('hidden');
					mode = 'hide';
				} else {
					$advanced.addClass('advanced-visible');
					$advanced.find('.advanced-settings').removeClass('hidden');
					mode = 'show';
				}

				window.setUserSetting( 'advImgDetails', mode );
			},

			editAttachment: function( event ) {
				var editState = this.controller.states.get( 'edit-image' );

				if ( window.imageEdit && editState ) {
					event.preventDefault();
					editState.set( 'image', this.model.attachment );
					this.controller.setState( 'edit-image' );
				}
			},

			replaceAttachment: function( event ) {
				event.preventDefault();
				this.controller.setState( 'replace-image' );
			}
		});

		return ImageDetails;

		};
		return imageDetails;
	}

	var cropper;
	var hasRequiredCropper;

	function requireCropper () {
		if (hasRequiredCropper) return cropper;
		hasRequiredCropper = 1;
		cropper = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			UploaderStatus = wp.media.view.UploaderStatus,
			l10n = wp.media.view.l10n,
			$ = jQuery,
			Cropper;

		/**
		 * wp.media.view.Cropper
		 *
		 * Uses the imgAreaSelect plugin to allow a user to crop an image.
		 *
		 * Takes imgAreaSelect options from
		 * wp.customize.HeaderControl.calculateImageSelectOptions via
		 * wp.customize.HeaderControl.openMM.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
			className: 'crop-content',
			template: wp.template('crop-content'),
			initialize: function() {
				_.bindAll(this, 'onImageLoad');
			},
			ready: function() {
				this.controller.frame.on('content:error:crop', this.onError, this);
				this.$image = this.$el.find('.crop-image');
				this.$image.on('load', this.onImageLoad);
				$(window).on('resize.cropper', _.debounce(this.onImageLoad, 250));
			},
			remove: function() {
				$(window).off('resize.cropper');
				this.$el.remove();
				this.$el.off();
				View.prototype.remove.apply(this, arguments);
			},
			prepare: function() {
				return {
					title: l10n.cropYourImage,
					url: this.options.attachment.get('url')
				};
			},
			onImageLoad: function() {
				var imgOptions = this.controller.get('imgSelectOptions'),
					imgSelect;

				if (typeof imgOptions === 'function') {
					imgOptions = imgOptions(this.options.attachment, this.controller);
				}

				imgOptions = _.extend(imgOptions, {
					parent: this.$el,
					onInit: function() {

						// Store the set ratio.
						var setRatio = imgSelect.getOptions().aspectRatio;

						// On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
						this.parent.children().on( 'mousedown touchstart', function( e ) {

							// If no ratio is set and the shift key is down, use a 1:1 ratio.
							if ( ! setRatio && e.shiftKey ) {
								imgSelect.setOptions( {
									aspectRatio: '1:1'
								} );
							}
						} );

						this.parent.children().on( 'mouseup touchend', function() {

							// Restore the set ratio.
							imgSelect.setOptions( {
								aspectRatio: setRatio ? setRatio : false
							} );
						} );
					}
				} );
				this.trigger('image-loaded');
				imgSelect = this.controller.imgSelect = this.$image.imgAreaSelect(imgOptions);
			},
			onError: function() {
				var filename = this.options.attachment.get('filename');

				this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
					filename: UploaderStatus.prototype.filename(filename),
					message: window._wpMediaViewsL10n.cropError
				}), { at: 0 });
			}
		});

		return Cropper;

		};
		return cropper;
	}

	var siteIconCropper;
	var hasRequiredSiteIconCropper;

	function requireSiteIconCropper () {
		if (hasRequiredSiteIconCropper) return siteIconCropper;
		hasRequiredSiteIconCropper = 1;
		siteIconCropper = function() { // ClassicPress: defer loading via require()

		var View = wp.media.view,
			SiteIconCropper;

		/**
		 * wp.media.view.SiteIconCropper
		 *
		 * Uses the imgAreaSelect plugin to allow a user to crop a Site Icon.
		 *
		 * Takes imgAreaSelect options from
		 * wp.customize.SiteIconControl.calculateImageSelectOptions.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.view.Cropper
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		SiteIconCropper = View.Cropper.extend(/** @lends wp.media.view.SiteIconCropper.prototype */{
			className: 'crop-content site-icon',

			ready: function () {
				View.Cropper.prototype.ready.apply( this, arguments );

				this.$( '.crop-image' ).on( 'load', _.bind( this.addSidebar, this ) );
			},

			addSidebar: function() {
				this.sidebar = new wp.media.view.Sidebar({
					controller: this.controller
				});

				this.sidebar.set( 'preview', new wp.media.view.SiteIconPreview({
					controller: this.controller,
					attachment: this.options.attachment
				}) );

				this.controller.cropperView.views.add( this.sidebar );
			}
		});

		return SiteIconCropper;

		};
		return siteIconCropper;
	}

	var siteIconPreview;
	var hasRequiredSiteIconPreview;

	function requireSiteIconPreview () {
		if (hasRequiredSiteIconPreview) return siteIconPreview;
		hasRequiredSiteIconPreview = 1;
		siteIconPreview = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			$ = jQuery,
			SiteIconPreview;

		/**
		 * wp.media.view.SiteIconPreview
		 *
		 * Shows a preview of the Site Icon as a favicon and app icon while cropping.
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		SiteIconPreview = View.extend(/** @lends wp.media.view.SiteIconPreview.prototype */{
			className: 'site-icon-preview',
			template: wp.template( 'site-icon-preview' ),

			ready: function() {
				this.controller.imgSelect.setOptions({
					onInit: this.updatePreview,
					onSelectChange: this.updatePreview
				});
			},

			prepare: function() {
				return {
					url: this.options.attachment.get( 'url' )
				};
			},

			updatePreview: function( img, coords ) {
				var rx = 64 / coords.width,
					ry = 64 / coords.height,
					preview_rx = 16 / coords.width,
					preview_ry = 16 / coords.height;

				$( '#preview-app-icon' ).css({
					width: Math.round(rx * this.imageWidth ) + 'px',
					height: Math.round(ry * this.imageHeight ) + 'px',
					marginLeft: '-' + Math.round(rx * coords.x1) + 'px',
					marginTop: '-' + Math.round(ry * coords.y1) + 'px'
				});

				$( '#preview-favicon' ).css({
					width: Math.round( preview_rx * this.imageWidth ) + 'px',
					height: Math.round( preview_ry * this.imageHeight ) + 'px',
					marginLeft: '-' + Math.round( preview_rx * coords.x1 ) + 'px',
					marginTop: '-' + Math.floor( preview_ry* coords.y1 ) + 'px'
				});
			}
		});

		return SiteIconPreview;

		};
		return siteIconPreview;
	}

	var editImage;
	var hasRequiredEditImage;

	function requireEditImage () {
		if (hasRequiredEditImage) return editImage;
		hasRequiredEditImage = 1;
		editImage = function() { // ClassicPress: defer loading via require()

		var View = wp.media.View,
			EditImage;

		/**
		 * wp.media.view.EditImage
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		EditImage = View.extend(/** @lends wp.media.view.EditImage.prototype */{
			className: 'image-editor',
			template: wp.template('image-editor'),

			initialize: function( options ) {
				this.editor = window.imageEdit;
				this.controller = options.controller;
				View.prototype.initialize.apply( this, arguments );
			},

			prepare: function() {
				return this.model.toJSON();
			},

			loadEditor: function() {
				this.editor.open( this.model.get( 'id' ), this.model.get( 'nonces' ).edit, this );
			},

			back: function() {
				var lastState = this.controller.lastState();
				this.controller.setState( lastState );
			},

			refresh: function() {
				this.model.fetch();
			},

			save: function() {
				var lastState = this.controller.lastState();

				this.model.fetch().done( _.bind( function() {
					this.controller.setState( lastState );
				}, this ) );
			}

		});

		return EditImage;

		};
		return editImage;
	}

	var spinner;
	var hasRequiredSpinner;

	function requireSpinner () {
		if (hasRequiredSpinner) return spinner;
		hasRequiredSpinner = 1;
		spinner = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Spinner
		 *
		 * Represents a spinner in the Media Library.
		 *
		 * @since 3.9.0
		 *
		 * @memberOf wp.media.view
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Spinner = wp.media.View.extend(/** @lends wp.media.view.Spinner.prototype */{
			tagName:   'span',
			className: 'spinner',
			spinnerTimeout: false,
			delay: 400,

			/**
			 * Shows the spinner. Delays the visibility by the configured amount.
			 *
			 * @since 3.9.0
			 *
			 * @return {wp.media.view.Spinner} The spinner.
			 */
			show: function() {
				if ( ! this.spinnerTimeout ) {
					this.spinnerTimeout = _.delay(function( $el ) {
						$el.addClass( 'is-active' );
					}, this.delay, this.$el );
				}

				return this;
			},

			/**
			 * Hides the spinner.
			 *
			 * @since 3.9.0
			 *
			 * @return {wp.media.view.Spinner} The spinner.
			 */
			hide: function() {
				this.$el.removeClass( 'is-active' );
				this.spinnerTimeout = clearTimeout( this.spinnerTimeout );

				return this;
			}
		});

		return Spinner;

		};
		return spinner;
	}

	var heading;
	var hasRequiredHeading;

	function requireHeading () {
		if (hasRequiredHeading) return heading;
		hasRequiredHeading = 1;
		heading = function() { // ClassicPress: defer loading via require()

		/**
		 * wp.media.view.Heading
		 *
		 * A reusable heading component for the media library
		 *
		 * Used to add accessibility friendly headers in the media library/modal.
		 *
		 * @class
		 * @augments wp.media.View
		 * @augments wp.Backbone.View
		 * @augments Backbone.View
		 */
		var Heading = wp.media.View.extend( {
			tagName: function() {
				return this.options.level || 'h1';
			},
			className: 'media-views-heading',

			initialize: function() {

				if ( this.options.className ) {
					this.$el.addClass( this.options.className );
				}

				this.text = this.options.text;
			},

			render: function() {
				this.$el.html( this.text );
				return this;
			}
		} );

		return Heading;

		};
		return heading;
	}

	var hasRequiredViews_manifest;

	function requireViews_manifest () {
		if (hasRequiredViews_manifest) return views_manifest;
		hasRequiredViews_manifest = 1;
		var media = wp.media,
			$ = jQuery,
			l10n;

		media.isTouchDevice = ( 'ontouchend' in document );

		// Link any localized strings.
		l10n = media.view.l10n = window._wpMediaViewsL10n || {};

		// Link any settings.
		media.view.settings = l10n.settings || {};
		delete l10n.settings;

		// Copy the `post` setting over to the model settings.
		media.model.settings.post = media.view.settings.post;

		// Check if the browser supports CSS 3.0 transitions
		$.support.transition = (function(){
			var style = document.documentElement.style,
				transitions = {
					WebkitTransition: 'webkitTransitionEnd',
					MozTransition:    'transitionend',
					OTransition:      'oTransitionEnd otransitionend',
					transition:       'transitionend'
				}, transition;

			transition = _.find( _.keys( transitions ), function( transition ) {
				return ! _.isUndefined( style[ transition ] );
			});

			return transition && {
				end: transitions[ transition ]
			};
		}());

		/**
		 * A shared event bus used to provide events into
		 * the media workflows that 3rd-party devs can use to hook
		 * in.
		 */
		media.events = _.extend( {}, Backbone.Events );

		/**
		 * Makes it easier to bind events using transitions.
		 *
		 * @param {string} selector
		 * @param {Number} sensitivity
		 * @returns {Promise}
		 */
		media.transition = function( selector, sensitivity ) {
			var deferred = $.Deferred();

			sensitivity = sensitivity || 2000;

			if ( $.support.transition ) {
				if ( ! (selector instanceof $) ) {
					selector = $( selector );
				}

				// Resolve the deferred when the first element finishes animating.
				selector.first().one( $.support.transition.end, deferred.resolve );

				// Just in case the event doesn't trigger, fire a callback.
				_.delay( deferred.resolve, sensitivity );

			// Otherwise, execute on the spot.
			} else {
				deferred.resolve();
			}

			return deferred.promise();
		};

		media.controller.Region = requireRegion()();
		media.controller.StateMachine = requireStateMachine()();
		media.controller.State = requireState()();

		media.selectionSync = requireSelectionSync()();
		media.controller.Library = requireLibrary$1()();
		media.controller.ImageDetails = requireImageDetails$2()();
		media.controller.GalleryEdit = requireGalleryEdit()();
		media.controller.GalleryAdd = requireGalleryAdd()();
		media.controller.CollectionEdit = requireCollectionEdit()();
		media.controller.CollectionAdd = requireCollectionAdd()();
		media.controller.FeaturedImage = requireFeaturedImage()();
		media.controller.ReplaceImage = requireReplaceImage()();
		media.controller.EditImage = requireEditImage$1()();
		media.controller.MediaLibrary = requireMediaLibrary()();
		media.controller.Embed = requireEmbed$2()();
		media.controller.Cropper = requireCropper$1()();
		media.controller.CustomizeImageCropper = requireCustomizeImageCropper()();
		media.controller.SiteIconCropper = requireSiteIconCropper$1()();

		media.View = requireView()();
		media.view.Frame = requireFrame()();
		media.view.MediaFrame = requireMediaFrame()();
		media.view.MediaFrame.Select = requireSelect$1()();
		media.view.MediaFrame.Post = requirePost()();
		media.view.MediaFrame.ImageDetails = requireImageDetails$1()();
		media.view.Modal = requireModal()();
		media.view.FocusManager = requireFocusManager()();
		media.view.UploaderWindow = requireWindow()();
		media.view.EditorUploader = requireEditor()();
		media.view.UploaderInline = requireInline()();
		media.view.UploaderStatus = requireStatus()();
		media.view.UploaderStatusError = requireStatusError()();
		media.view.Toolbar = requireToolbar()();
		media.view.Toolbar.Select = requireSelect()();
		media.view.Toolbar.Embed = requireEmbed$1()();
		media.view.Button = requireButton()();
		media.view.ButtonGroup = requireButtonGroup()();
		media.view.PriorityList = requirePriorityList()();
		media.view.MenuItem = requireMenuItem()();
		media.view.Menu = requireMenu()();
		media.view.RouterItem = requireRouterItem()();
		media.view.Router = requireRouter()();
		media.view.Sidebar = requireSidebar()();
		media.view.Attachment = requireAttachment()();
		media.view.Attachment.Library = requireLibrary()();
		media.view.Attachment.EditLibrary = requireEditLibrary()();
		media.view.Attachments = requireAttachments()();
		media.view.Search = requireSearch()();
		media.view.AttachmentFilters = requireAttachmentFilters()();
		media.view.DateFilter = requireDate()();
		media.view.AttachmentFilters.Uploaded = requireUploaded()();
		media.view.AttachmentFilters.All = requireAll()();
		media.view.AttachmentsBrowser = requireBrowser()();
		media.view.Selection = requireSelection$2()();
		media.view.Attachment.Selection = requireSelection$1()();
		media.view.Attachments.Selection = requireSelection()();
		media.view.Attachment.EditSelection = requireEditSelection()();
		media.view.Settings = requireSettings()();
		media.view.Settings.AttachmentDisplay = requireAttachmentDisplay()();
		media.view.Settings.Gallery = requireGallery()();
		media.view.Settings.Playlist = requirePlaylist()();
		media.view.Attachment.Details = requireDetails()();
		media.view.AttachmentCompat = requireAttachmentCompat()();
		media.view.Iframe = requireIframe()();
		media.view.Embed = requireEmbed()();
		media.view.Label = requireLabel()();
		media.view.EmbedUrl = requireUrl()();
		media.view.EmbedLink = requireLink()();
		media.view.EmbedImage = requireImage()();
		media.view.ImageDetails = requireImageDetails()();
		media.view.Cropper = requireCropper()();
		media.view.SiteIconCropper = requireSiteIconCropper()();
		media.view.SiteIconPreview = requireSiteIconPreview()();
		media.view.EditImage = requireEditImage()();
		media.view.Spinner = requireSpinner()();
		media.view.Heading = requireHeading()();
		return views_manifest;
	}

	requireViews_manifest();

})();
